[webui] Refactor titles for subcription's notification page

Better titles and explanations about what means each section

src/api/app/assets/stylesheets/webui/application/notifications.scss

@@ -9,3 +9,15 @@
 
   legend { font-size: 110%; font-weight: bold; }
 }
+
+#notification_form hr {
+  background-color: #ddd;
+  margin: 1.5em 10px;
+}
+
+#notification_form p.description {
+  min-height: 17px;
+  font-size: 12px;
+  color: #586069;
+  margin-left: 20px;
+}

src/api/app/views/webui/subscriptions/_subscriptions_form.html.haml

@@ -1,4 +1,3 @@
-%h3 Events to get email for ...
 - i = 0
 - @subscriptions_form.subscriptions_by_event.each do |event_class, subscriptions|
   = field_set_tag event_class.description do

src/api/app/views/webui/subscriptions/index.html.haml

@@ -4,6 +4,8 @@
 .grid_16.alpha.omega.box.box-shadow
   = render partial: 'webui/configuration/tabs'
   %h2= @pagetitle
+  %h3 Events
+  %p.description Choose default notification settings for events (checked means direct email)
   = form_tag(notifications_path, method: :put, id: 'notification_form') do
     = render partial: 'subscriptions_form'
     %p= submit_tag 'Update'

src/api/app/views/webui/users/subscriptions/index.html.haml

@@ -1,18 +1,23 @@
 - @layouttype = 'custom'
-- @pagetitle = "#{User.current.to_s.capitalize}'s Notifications"
+- @pagetitle = "Notifications"
 - @crumb_list = [@pagetitle]
 .grid_16.alpha.omega.box.box-shadow
   %h2= @pagetitle
 
   = form_tag(user_notifications_path, method: :put, id: 'notification_form') do
     - unless @groups_users.empty?
-      %h3 Get mails if in group ...
+      %h3 Groups
+      %p.description You will receive emails from the checked groups
+      %hr
       %ul{ style: "list-style-type:none;" }
         - @groups_users.each do |group_user|
           %li
             = check_box_tag group_user.group, '1', group_user.email
             = label_tag group_user.group.title
 
+    %h3 Events
+    %p.description Choose how you receive notifications from the events generated
+    %hr
     = render partial: 'webui/subscriptions/subscriptions_form'
     %p= submit_tag 'Update'
 .grid_16.alpha.omega.box.box-shadow