diff --git a/ckan/lib/helpers.py b/ckan/lib/helpers.py
index c0f63d0c143..384f08c8581 100644
--- a/ckan/lib/helpers.py
+++ b/ckan/lib/helpers.py
@@ -568,6 +568,8 @@ def check_access(action, data_dict=None):
 
     context = {'model': model,
                 'user': c.user or c.author}
+    if not data_dict:
+        data_dict = {}
 
     try:
         check_access_logic(action, context, data_dict)
diff --git a/ckan/model/meta.py b/ckan/model/meta.py
index b8d6b42cd65..ce175d309d7 100644
--- a/ckan/model/meta.py
+++ b/ckan/model/meta.py
@@ -161,4 +161,6 @@ def engine_is_sqlite():
 
 def engine_is_pg():
     # Returns true iff the engine is connected to a postgresql database.
-    return engine.url.drivername in ['psycopg2', 'postgres']
+    # According to http://docs.sqlalchemy.org/en/latest/core/engines.html#postgresql
+    # all Postgres driver names start with `postgresql`
+    return engine.url.drivername.startswith('postgresql')
diff --git a/ckan/public/base/css/main.css b/ckan/public/base/css/main.css
index 6d4fc938097..eaa904d3dac 100644
--- a/ckan/public/base/css/main.css
+++ b/ckan/public/base/css/main.css
@@ -4506,13 +4506,13 @@ ul.icons li .icon-large:before {
 .simple-list:after {
   clear: both;
 }
-.simple-list  > li {
+.simple-list > li {
   font-size: 12px;
   line-height: 1.1666666666666667em;
   padding: 7px 25px;
   border-bottom: 1px dotted #cccccc;
 }
-.simple-list  > li:last-of-type {
+.simple-list > li:last-of-type {
   border-bottom: 0;
 }
 .simple-list .ckan-icon {
@@ -4669,8 +4669,6 @@ ul.icons li .icon-large:before {
   padding-right: 15px;
 }
 .module-grid {
-  margin: 0;
-  list-style: none;
   margin: 0;
   list-style: none;
   *zoom: 1;
@@ -4694,7 +4692,6 @@ ul.icons li .icon-large:before {
   padding-left: 20px;
   padding-bottom: 25px;
   float: left;
-  float: left;
   margin-left: 20px;
   width: 460px;
   padding-top: 10px;
@@ -4720,10 +4717,10 @@ ul.icons li .icon-large:before {
 .ckanext-datapreview {
   position: relative;
 }
-.ckanext-datapreview  > iframe {
+.ckanext-datapreview > iframe {
   min-height: 400px;
 }
-.ckanext-datapreview  > img {
+.ckanext-datapreview > img {
   max-height: 500px;
   max-width: 100%;
   overflow: hidden;
@@ -4887,13 +4884,13 @@ ol.media-grid:after {
 .nav-simple:after {
   clear: both;
 }
-.nav-simple  > li {
+.nav-simple > li {
   font-size: 12px;
   line-height: 1.1666666666666667em;
   padding: 7px 25px;
   border-bottom: 1px dotted #cccccc;
 }
-.nav-simple  > li:last-of-type {
+.nav-simple > li:last-of-type {
   border-bottom: 0;
 }
 .nav-simple .ckan-icon {
@@ -4915,12 +4912,10 @@ ol.media-grid:after {
 }
 .nav-item.active > a {
   background: url("../../../base/images/background-tag.png") no-repeat -13px center;
-  position: relative;
   display: block;
   font-size: 11px;
   line-height: 27px;
   color: #187794;
-  padding-left: 10px;
   padding-right: 5px;
   margin-right: 11px;
   -webkit-box-sizing: border-box;
@@ -5226,8 +5221,6 @@ textarea {
   background-image: url("../../../base/images/sprite-ckan-icons.png");
   background-repeat: no-repeat;
   background-position: 16px 16px;
-  width: 17px;
-  height: 17px;
   background-position: -51px -16px;
   position: absolute;
   display: block;
@@ -5654,6 +5647,13 @@ textarea {
 .control-full .select2-container {
   width: 520px !important;
 }
+.control-group.error .select2-container input:focus,
+.control-group.error .select2-container select:focus,
+.control-group.error .select2-container textarea:focus {
+  -webkit-box-shadow: none;
+  -moz-box-shadow: none;
+  box-shadow: none;
+}
 .dataset-item {
   border-bottom: 1px dotted #cccccc;
   padding-bottom: 20px;
@@ -5821,8 +5821,6 @@ textarea {
   vertical-align: text-bottom;
   position: relative;
   top: 2px;
-  width: 16px;
-  height: 16px;
   background-image: url("../../../base/images/sprite-ckan-icons.png");
   background-repeat: no-repeat;
   background-position: 16px 16px;
@@ -6682,7 +6680,6 @@ li .icon-large:before {
   float: right;
 }
 [role=main] .secondary {
-  float: left;
   margin-left: 20px;
   width: 220px;
   margin-left: 0;
@@ -7239,9 +7236,18 @@ header.masthead .debug {
   display: block;
   font-size: 30px;
   font-weight: 700;
-  line-height: 1.2;
+  line-height: 36px;
   margin-left: 0;
 }
+.profile-info .nums dl dd .smallest {
+  font-size: 13px;
+}
+.profile-info .nums dl dd .smaller {
+  font-size: 16px;
+}
+.profile-info .nums dl dd .small {
+  font-size: 21px;
+}
 .profile-info.editing .module-content {
   margin-top: 0;
 }
diff --git a/ckan/public/base/less/forms.less b/ckan/public/base/less/forms.less
index 445c2677ec2..5902a859f8b 100644
--- a/ckan/public/base/less/forms.less
+++ b/ckan/public/base/less/forms.less
@@ -686,3 +686,11 @@ textarea {
   // sets it on the element.
   width: 520px !important;
 }
+
+.control-group.error .select2-container {
+  input:focus,
+  select:focus,
+  textarea:focus {
+    .box-shadow(none);
+  }
+}
diff --git a/ckan/templates/admin/authz.html b/ckan/templates/admin/authz.html
index cecb18a9f75..5b60f95cc27 100644
--- a/ckan/templates/admin/authz.html
+++ b/ckan/templates/admin/authz.html
@@ -14,9 +14,9 @@
       {% endfor %}
     </colgroup>
     <tr>
-      <th>{{ _('User') }}</th>
+      <th scope="col">{{ _('User') }}</th>
       {% for role in roles %}
-      <th> {{ role }} </th>
+      <th scope="col"> {{ role }} </th>
       {% endfor %}
     </tr>
     {% for user in users %}
@@ -49,9 +49,9 @@
       {% endfor %}
     </colgroup>
     <tr>
-      <th>{{ _('User') }}</th>
+      <th scope="col">{{ _('User') }}</th>
       {% for role in roles %}
-        <th> {{ role }} </th>
+        <th scope="col"> {{ role }} </th>
       {% endfor %}
     </tr>
     <tr>
@@ -77,9 +77,9 @@
       {% endfor %}
     </colgroup>
     <tr>
-      <th>{{ _('User Group') }}</th>
+      <th scope="col">{{ _('User Group') }}</th>
       {% for role in roles %}
-      <th> {{ role }} </th>
+      <th scope="col"> {{ role }} </th>
       {% endfor %}
     </tr>
     {% for user in users %}
@@ -112,9 +112,9 @@
       {% endfor %}
     </colgroup>
     <tr>
-      <th>User Group</th>
+      <th scope="col">User Group</th>
       {% for role in roles %}
-      <th> {{ role }} </th>
+      <th scope="col"> {{ role }} </th>
       {% endfor %}
     </tr>
     <tr>
diff --git a/ckan/templates/ajax_snippets/api_info.html b/ckan/templates/ajax_snippets/api_info.html
index f339054e86d..20fc44281b8 100644
--- a/ckan/templates/ajax_snippets/api_info.html
+++ b/ckan/templates/ajax_snippets/api_info.html
@@ -39,19 +39,19 @@ <h3>
             <thead></thead>
             <tbody>
               <tr>
-                <th>Create</th>
+                <th scope="row">Create</th>
                 <td><code>{{ datastore_root_url }}/datastore_create</code></td>
               </tr>
               <tr>
-                <th>Update / Insert</th>
+                <th scope="row">Update / Insert</th>
                 <td><code>{{ datastore_root_url }}/datastore_upsert</code></td>
               </tr>
               <tr>
-                <th>Query</th>
+                <th scope="row">Query</th>
                 <td><code>{{ datastore_root_url }}/datastore_search</code></td>
               </tr>
               <tr>
-                <th>Query (via SQL)</th>
+                <th scope="row">Query (via SQL)</th>
                 <td><code>{{ datastore_root_url }}/datastore_search_sql</code></td>
               </tr>
 
diff --git a/ckan/templates/group/read_base.html b/ckan/templates/group/read_base.html
index e41cb7ebe7d..a16615b7777 100644
--- a/ckan/templates/group/read_base.html
+++ b/ckan/templates/group/read_base.html
@@ -26,9 +26,6 @@
           <li{% if c.action == 'activity' %} class="active"{% endif %}>
             {% link_for _('Activity Stream'), controller='group', action='activity', id=c.group_dict.name, icon='time' %}
           </li>
-          <li{% if c.action == 'admins' %} class="active"{% endif %}>
-            {% link_for _('Administrators'), controller='group', action='admins', id=c.group_dict.name, icon='cog' %}
-          </li>
           <li{% if c.action == 'about' %} class="active"{% endif %}>
             {% link_for _('About'), controller='group', action='about', id=c.group_dict.name, icon='info-sign' %}
           </li>
diff --git a/ckan/templates/organization/members.html b/ckan/templates/organization/members.html
index fd0e34b6496..175af5e7566 100644
--- a/ckan/templates/organization/members.html
+++ b/ckan/templates/organization/members.html
@@ -11,9 +11,9 @@ <h1 class="hide-heading">{{ _('Members') }}</h1>
       <col width="15" />
       <thead>
         <tr>
-          <th>{{ _('User') }}</th>
-          <th>{{ _('Role') }}</th>
-          <th></th>
+          <th scope="col">{{ _('User') }}</th>
+          <th scope="col">{{ _('Role') }}</th>
+          <th scope="col"></th>
         </tr>
       </thead>
       <tbody>
diff --git a/ckan/templates/organization/read_base.html b/ckan/templates/organization/read_base.html
index d0c142f015c..23dc5c71ccd 100644
--- a/ckan/templates/organization/read_base.html
+++ b/ckan/templates/organization/read_base.html
@@ -33,7 +33,7 @@
 {% endblock %}
 
 {% block secondary_content %}
-  {% snippet 'snippets/organization.html', organization=c.group_dict %}
+  {% snippet 'snippets/organization.html', organization=c.group_dict, show_nums=true %}
 
   {% if h.user_in_org_or_group(c.group_dict.id) %}
     {{ h.snippet('snippets/facet_list.html', title='Visibility', name='capacity', extras={'id':c.group_dict.id}) }}
diff --git a/ckan/templates/package/read_base.html b/ckan/templates/package/read_base.html
index 14c90e7cbf9..9f457eae772 100644
--- a/ckan/templates/package/read_base.html
+++ b/ckan/templates/package/read_base.html
@@ -55,6 +55,12 @@
 
   {% block secondary_help_content %}{% endblock %}
 
+  {% block package_organization %}
+    {% if pkg.organization %}
+      {% snippet "snippets/organization.html", organization=pkg.organization, truncate=70, show_nums=false %}
+    {% endif %}
+  {% endblock %}
+
   {% block package_groups %}
     {% for group in pkg.groups %}
       {% snippet "snippets/group.html", group=group, truncate=70 %}
diff --git a/ckan/templates/package/resource_read.html b/ckan/templates/package/resource_read.html
index 0f6f5c6d849..32dbcfc0a03 100644
--- a/ckan/templates/package/resource_read.html
+++ b/ckan/templates/package/resource_read.html
@@ -79,13 +79,13 @@ <h2>Additional Information</h2>
           <table class="table table-striped table-bordered table-condensed">
             <thead>
               <tr>
-                <th>Field</th>
-                <th>Value</th>
+                <th scope="col">Field</th>
+                <th scope="col">Value</th>
               </tr>
             </thead>
             <tbody>
               {% for key, value in h.format_resource_items(res.items()) %}
-                <tr><th>{{ key }}</th><td>{{ value }}</td></tr>
+                <tr><th scope="row">{{ key }}</th><td>{{ value }}</td></tr>
               {% endfor %}
             </tbody>
           </table>
diff --git a/ckan/templates/package/snippets/additional_info.html b/ckan/templates/package/snippets/additional_info.html
index 82e1eabd7d8..64821f08f59 100644
--- a/ckan/templates/package/snippets/additional_info.html
+++ b/ckan/templates/package/snippets/additional_info.html
@@ -3,52 +3,52 @@ <h3>{{ _('Additional Info') }}</h3>
   <table class="table table-striped table-bordered table-condensed">
     <thead>
       <tr>
-        <th>{{ _('Field') }}</th>
-        <th>{{ _('Value') }}</th>
+        <th scope="col">{{ _('Field') }}</th>
+        <th scope="col">{{ _('Value') }}</th>
       </tr>
     </thead>
     <tbody>
       {% if pkg_dict.url %}
         <tr>
-          <th class="dataset-label">{{ _('Source') }}</th>
+          <th scope="row" class="dataset-label">{{ _('Source') }}</th>
           <td class="dataset-details" property="foaf:homepage">{{ h.link_to(pkg_dict.url, pkg_dict.url, rel='foaf:homepage', target='_blank') }}</td>
         </tr>
       {% endif %}
 
       {% if pkg_dict.author_email %}
         <tr>
-          <th class="dataset-label">{{ _("Author") }}</th>
+          <th scope="row" class="dataset-label">{{ _("Author") }}</th>
           <td class="dataset-details" property="dc:creator">{{ h.mail_to(email_address=pkg_dict.author_email, name=pkg_dict.author) }}</td>
         </tr>
       {% elif pkg_dict.author %}
         <tr>
-          <th class="dataset-label">{{ _("Author") }}</th>
+          <th scope="row" class="dataset-label">{{ _("Author") }}</th>
           <td class="dataset-details" property="dc:creator">{{ pkg_dict.author }}</td>
         </tr>
       {% endif %}
 
       {% if pkg_dict.maintainer_email %}
         <tr>
-          <th class="dataset-label">{{ _('Maintainer') }}</th>
+          <th scope="row" class="dataset-label">{{ _('Maintainer') }}</th>
           <td class="dataset-details" property="dc:contributor">{{ h.mail_to(email_address=pkg_dict.maintainer_email, name=pkg_dict.maintainer) }}</td>
         </tr>
       {% elif pkg_dict.maintainer %}
         <tr>
-          <th class="dataset-label">{{ _('Maintainer') }}</th>
+          <th scope="row" class="dataset-label">{{ _('Maintainer') }}</th>
           <td class="dataset-details" property="dc:contributor">{{ pkg_dict.maintainer }}</td>
         </tr>
       {% endif %}
 
       {% if pkg_dict.version %}
         <tr>
-          <th class="dataset-label">{{ _("Version") }}</th>
+          <th scope="row" class="dataset-label">{{ _("Version") }}</th>
           <td class="dataset-details">{{ pkg_dict.version }}</td>
         </tr>
       {% endif %}
 
       {% if h.check_access('package_update',{'id':pkg_dict.id}) %}
         <tr>
-          <th class="dataset-label">{{ _("State") }}</th>
+          <th scope="row" class="dataset-label">{{ _("State") }}</th>
           <td class="dataset-details">{{ pkg_dict.state }}</td>
         </tr>
       {% endif %}
@@ -56,7 +56,7 @@ <h3>{{ _('Additional Info') }}</h3>
       {% for extra in h.sorted_extras(pkg_dict.extras) %}
         {% set key, value = extra %}
         <tr rel="dc:relation" resource="_:extra{{ i }}">
-          <th class="dataset-label" property="rdfs:label">{{ _(key) }}</th>
+          <th scope="row" class="dataset-label" property="rdfs:label">{{ _(key) }}</th>
           <td class="dataset-details" property="rdf:value">{{ value }}</td>
         </tr>
         {% endfor %}
diff --git a/ckan/templates/snippets/organization.html b/ckan/templates/snippets/organization.html
index d0fddf914bd..8bbd4a9f418 100644
--- a/ckan/templates/snippets/organization.html
+++ b/ckan/templates/snippets/organization.html
@@ -26,18 +26,20 @@ <h1 class="heading">{{ organization.title or organization.name }}</h1>
           {% link_for _('read more'), controller='organization', action='about', id=organization.name %}
         </p>
       {% else %}
-        <p class="empty">{{ _('There is no description for this group') }}</p>
+        <p class="empty">{{ _('There is no description for this organization') }}</p>
+      {% endif %}
+      {% if show_nums %}
+        <div class="nums">
+          <dl>
+            <dt>{{ _('Members') }}</dt>
+            <dd>{{ h.SI_number_span(organization.members|length) }}</dd>
+          </dl>
+          <dl>
+            <dt>{{ _('Datasets') }}</dt>
+            <dd>{{ h.SI_number_span(organization.package_count) }}</dd>
+          </dl>
+        </div>
       {% endif %}
-      <div class="nums">
-        <dl>
-          <dt>{{ _('Members') }}</dt>
-          <dd>{{ h.SI_number_span(organization.members|length) }}</dd>
-        </dl>
-        <dl>
-          <dt>{{ _('Datasets') }}</dt>
-          <dd>{{ h.SI_number_span(organization.package_count) }}</dd>
-        </dl>
-      </div>
     </section>
   </div>
 {% endwith %}
diff --git a/ckan/templates/snippets/related.html b/ckan/templates/snippets/related.html
index 4a4395cc2e3..380a6276709 100644
--- a/ckan/templates/snippets/related.html
+++ b/ckan/templates/snippets/related.html
@@ -1,5 +1,5 @@
 <section class="module module-narrow module-shallow related{{ " related-empty" if not item }}">
-  <h2 class="module-heading"><i class="icon-medium icon-picture"></i> Related <a class="action" href="{{ h.url_for(controller='related', action='new', id=pkg_name) }}">Add Related</a></h2>
+  <h2 class="module-heading"><i class="icon-medium icon-picture"></i> Related</h2>
   <div class="module-content media">
     {% if item %}
       {% with url = h.url_for(controller='related', action='list', id=pkg_name) %}
@@ -12,9 +12,11 @@ <h3 class="media-heading"><a href="{{ url }}">{{ item.title }}</a></h3>
         </div>
       {% endwith %}
     {% else %}
-      <p>No apps, ideas, news stories or images have been
-      related to this dataset yet, why not add one now?</p>
-      <p class="action">{% link_for _('Add Item'), controller='related', action='new', id=pkg_name, icon='plus', class_='btn' %}</p>
+      <p>{% trans %}No apps, ideas, news stories or images have been
+      related to this dataset yet.{% endtrans %}</p>
+      {% if h.check_access('related_create') %}
+        <p class="action">{% link_for _('Add Item'), controller='related', action='new', id=pkg_name, icon='plus', class_='btn' %}</p>
+      {% endif %}
     {% endif %}
   </div>
 </section>
diff --git a/ckan/templates/user/read.html b/ckan/templates/user/read.html
index 9a272ecfa3e..c2afb1bca6c 100644
--- a/ckan/templates/user/read.html
+++ b/ckan/templates/user/read.html
@@ -11,7 +11,9 @@ <h2 class="hide-heading">{{ _('Datasets') }}</h2>
     {% if c.is_myself %}
       <p class="empty">
         {{ _('You haven\'t created any datasets.') }}
-        {% link_for _('Create one now?'), controller='package', action='new' %}.
+        {% if h.check_access('package_create') %}
+          {% link_for _('Create one now?'), controller='package', action='new' %}
+        {% endif %}
       </p>
     {% else %}
       <p class="empty">
@@ -20,4 +22,4 @@ <h2 class="hide-heading">{{ _('Datasets') }}</h2>
     {% endif %}
 
   {% endif %}
-{% endblock %}
\ No newline at end of file
+{% endblock %}
diff --git a/ckanext/datastore/plugin.py b/ckanext/datastore/plugin.py
index 412ba37f48c..cdb547a2211 100644
--- a/ckanext/datastore/plugin.py
+++ b/ckanext/datastore/plugin.py
@@ -68,8 +68,7 @@ def configure(self, config):
                 self._create_alias_table()
             else:
                 log.warn("We detected that CKAN is running on a read only database. "
-                    "Permission checks and _table_metadata creation are skipped."
-                    "Make sure that replication is properly set-up.")
+                    "Permission checks and the creation of _table_metadata are skipped.")
         else:
             log.warn("We detected that you do not use a PostgreSQL database. "
                     "The DataStore will NOT work and datastore tests will be skipped.")