add semantic classes for headings

app/assets/stylesheets/blacklight/_catalog.scss

@@ -100,12 +100,12 @@ span.constraints-label {
     padding-top: $padding-base-vertical;
     border-bottom:1px dotted $table-border-color;
     @extend .clearfix;
-
-  h3 {
-    @extend h5;
   }
-  }
-} 
+}
+
+.index_title {
+  @extend h5;
+}
 
 // Tools link on documetn show page
 .show-tools {

app/assets/stylesheets/blacklight/_facets.scss

@@ -3,7 +3,7 @@
   padding-bottom: $padding-large-vertical;
 }
 
-.facets h2 {
+.facets .facets-heading {
   @extend h4;
 }
 

app/views/bookmarks/index.html.erb

@@ -1,13 +1,13 @@
 <div id="content" class="col-md-12">
-<h2><%= t('blacklight.bookmarks.title') %></h2>
+<h2 class='page-heading'><%= t('blacklight.bookmarks.title') %></h2>
 
 <%- if current_or_guest_user.blank? -%>
 
-  <h3><%= t('blacklight.bookmarks.need_login') %></h3>
+  <h3 class='section-heading'><%= t('blacklight.bookmarks.need_login') %></h3>
 
 <%- elsif @document_list.blank? -%>
 
-  <h3><%= t('blacklight.bookmarks.no_bookmarks') %></h3>
+  <h3 class='section-heading'><%= t('blacklight.bookmarks.no_bookmarks') %></h3>
 <% else %>
   <%= link_to t('blacklight.bookmarks.clear.action_title'), clear_bookmarks_path, :method => :delete, :data => { :confirm => t('blacklight.bookmarks.clear.action_confirm') }, :class => 'clear-bookmarks btn btn-danger pull-right' %>
   <%= render 'sort_and_per_page' %>

app/views/catalog/_facet_layout.html.erb

@@ -1,6 +1,6 @@
 <div class="panel panel-default facet_limit blacklight-<%= facet_field.key.parameterize %> <%= 'facet_limit-active' if facet_field_in_params?(facet_field.key) %>">
   <div class="<%= "collapsed" if should_collapse_facet?(facet_field) %> collapse-toggle panel-heading" data-toggle="collapse" data-target="#<%= facet_field_id(facet_field) %>">
-    <h3 class="panel-title">
+    <h3 class="panel-title facet-field-heading">
       <%= link_to facet_field_label(facet_field.key), "#", :"data-no-turbolink" => true %>
     </h3>
   </div>

app/views/catalog/_facets.html.erb

@@ -10,7 +10,7 @@
       <span class="icon-bar"></span>
     </button>
 
-  <h2>
+  <h2 class='facets-heading'>
   	<%= t('blacklight.search.facets.title') %>
   </h2>
     </div>

app/views/catalog/_home_text.html.erb

@@ -1,5 +1,5 @@
 <div class="page-header row">
-  <h2 class="col-md-8"><%= t('blacklight.welcome') %></h2>
+  <h2 class="col-md-8 page-heading"><%= t('blacklight.welcome') %></h2>
 
   <ul class="nav nav-pills col-md-4">
     <li><a href="https://github.com/projectblacklight/blacklight/">Github</a></li>
@@ -10,7 +10,7 @@
 </div>
 
 <div id="getting-started">
-  <h3>Here&rsquo;s how to get started:</h3>
+  <h3 class='section-heading'>Here&rsquo;s how to get started:</h3>
 
   <ol>
     <li>To modify this text, you need to <a href="http://guides.rubyonrails.org/engines.html#improving-engine-functionality">override the Blacklight-provided view</a>.
@@ -27,7 +27,7 @@ to your own application: <br />
 
 <%# This is the same panel shown in the Rails welcome template %>
 <div id="about">
-  <h3><a href="/rails/info/properties">About your application&rsquo;s environment</a></h3>
+  <h3 class='section-heading'><a href="/rails/info/properties">About your application&rsquo;s environment</a></h3>
   <div id="about-content" class="well" style="display: none"></div>
 </div>
 

app/views/catalog/_index_header_default.html.erb

@@ -9,7 +9,7 @@
     <%= render_index_doc_actions document, wrapping_class: "index-document-functions col-sm-3 col-lg-2" %>
   <% end %>
 
-  <h3 class="index_title <%= document_actions.present? ? "col-sm-9 col-lg-10" : "col-md-12" %>">
+  <h3 class="index_title document-title-heading <%= document_actions.present? ? "col-sm-9 col-lg-10" : "col-md-12" %>">
     <% if counter = document_counter_with_offset(document_counter) %>
       <span class="document-counter">
         <%= t('blacklight.search.documents.counter', counter: counter) %>

app/views/layouts/blacklight.html.erb

@@ -36,7 +36,7 @@
   <%= render partial: 'shared/ajax_modal' %>
 
   <div id="main-container" class="container">
-    <%= content_tag :h1, application_name, class: 'sr-only' %>
+    <%= content_tag :h1, application_name, class: 'sr-only application-heading' %>
 
     <%= render :partial=>'/flash_msg', layout: 'shared/flash_messages' %>
 

app/views/saved_searches/index.html.erb

@@ -1,13 +1,13 @@
 <div id="content" class="col-md-9">
-<h2><%= t('blacklight.saved_searches.title') %></h2>
+<h2 class='page-heading'><%= t('blacklight.saved_searches.title') %></h2>
 
 <%- if current_or_guest_user.blank? -%>
 
-  <h3><%= t('blacklight.saved_searches.need_login') %></h3>
+  <h3 class='section-heading'><%= t('blacklight.saved_searches.need_login') %></h3>
 
 <%- elsif @searches.blank? -%>
 
-  <h3><%= t('blacklight.saved_searches.no_searches') %></h3>
+  <h3 class='section-heading'><%= t('blacklight.saved_searches.no_searches') %></h3>
 
 <%- else -%>
   <p>

app/views/search_history/index.html.erb

@@ -1,10 +1,10 @@
 <div id="content" class="col-md-12">
-<h2><%=t('blacklight.search_history.title')%></h2>
+<h2 class='page-heading'><%=t('blacklight.search_history.title')%></h2>
 <%- if @searches.blank? -%>
-  <h3><%=t('blacklight.search_history.no_history')%></h3>
+  <h3 class='section-heading'><%=t('blacklight.search_history.no_history')%></h3>
 <%- else -%>
     <%= link_to t('blacklight.search_history.clear.action_title'), clear_search_history_path, :method => :delete, :data => { :confirm => t('blacklight.search_history.clear.action_confirm') }, :class => 'btn btn-danger pull-right' %>
-  <h3><%=t('blacklight.search_history.recent')%></h3>
+  <h3 class='section-heading'><%=t('blacklight.search_history.recent')%></h3>
   <table class="table table-striped search_history">
     <%-  @searches.each_with_index do |search,index| -%>
     <%= content_tag :tr, :id => "document_#{index + 1}" do %>