Prefer provide over content_for

Provide knows to expect no more input for this block after it's been
called once. This enables streaming responses.

See:
http://api.rubyonrails.org/classes/ActionController/Streaming.html#module-ActionController::Streaming-label-Communication+between+layout+and+template

app/views/hyrax/admin/admin_sets/edit.html.erb

@@ -1,4 +1,4 @@
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-edit"></span> <%= t('.header') %></h1>
 <% end %>
 

app/views/hyrax/admin/admin_sets/index.html.erb

@@ -1,4 +1,4 @@
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-sitemap"></span> Administrative Sets</h1>
   <div class="pull-right">
     <%= link_to hyrax.new_admin_admin_set_path, class: 'btn btn-primary' do %>

app/views/hyrax/admin/admin_sets/new.html.erb

@@ -1,4 +1,4 @@
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-edit"></span> <%= t('.header') %></h1>
 <% end %>
 

app/views/hyrax/admin/admin_sets/show.html.erb

@@ -1,4 +1,4 @@
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-sitemap"></span> <%= t('.header') %></h1>
 <% end %>
 

app/views/hyrax/admin/appearances/show.html.erb

@@ -1,4 +1,4 @@
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-paint-brush"></span> <%= t('.header') %></h1>
 <% end %>
 

app/views/hyrax/admin/features/index.html.erb

@@ -1,4 +1,4 @@
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-cog"></span> Settings</h1>
 <% end %>
 <div class="flip row">

app/views/hyrax/admin/users/index.html.erb

@@ -1,4 +1,4 @@
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-user"></span> <%= t('hyrax.admin.users.index.title') %></h1>
 <% end %>
 

app/views/hyrax/admin/workflows/index.html.erb

@@ -1,4 +1,4 @@
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="glyphicon glyphicon-ok-circle"></span> <%= t('.header') %></h1>
 <% end %>
 

app/views/hyrax/base/_form.html.erb

@@ -12,7 +12,7 @@
     </div>
   <% end %>
   <% unless f.object.persisted? %>
-    <% content_for :metadata_tab do %>
+    <% provide :metadata_tab do %>
       <p class="switch-upload-type">To create a separate work for each of the files, go to <%= link_to "Batch upload", hyrax.new_batch_upload_path %></p>
     <% end %>
   <% end %>

app/views/hyrax/batch_uploads/_form.html.erb

@@ -1,5 +1,5 @@
 <%= simple_form_for [hyrax, @form], html: { multipart: true } do |f| %>
-  <% content_for :files_tab do %>
+  <% provide :files_tab do %>
     <p class="instructions"><%= t("hyrax.batch_uploads.files.instructions") %></p>
     <p class="switch-upload-type"><%= t("hyrax.batch_uploads.files.upload_type_instructions") %>
       <%= link_to t("hyrax.batch_uploads.files.button_label"), [main_app, :new, Hyrax.primary_work_type.model_name.singular_route_key] %>

app/views/hyrax/dashboard/profiles/edit.html.erb

@@ -1,4 +1,4 @@
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-id-card"></span> Edit Profile</h1>
 <% end %>
 <div class="panel panel-default">

app/views/hyrax/dashboard/profiles/show.html.erb

@@ -1,4 +1,4 @@
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-id-card"></span> <%= t("hyrax.admin.sidebar.profile") %></h1>
   <% if can? :edit, current_user %>
     <div class="pull-right">

app/views/hyrax/dashboard/show_user.html.erb

@@ -1,4 +1,4 @@
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><%= t("hyrax.dashboard.title") %></h1>
 <% end %>
 

app/views/hyrax/my/collections/index.html.erb

@@ -1,6 +1,6 @@
 <% provide :page_title, t("hyrax.admin.sidebar.collections") %>
 
-<% content_for :head do %>
+<% provide :head do %>
   <%= rss_feed_link_tag route_set: hyrax %>
   <%= atom_feed_link_tag route_set: hyrax %>
 <% end %>
@@ -9,7 +9,7 @@
   <%= render partial: 'scripts', formats: [:js] %>
 <% end %>
 
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-folder-open"></span> <%= t("hyrax.admin.sidebar.collections") %></h1>
   <div class="pull-right">
     <% if can?(:create, Collection) %>

app/views/hyrax/my/index.html.erb

@@ -1,6 +1,6 @@
 <% provide :page_title, t("hyrax.admin.sidebar.works") %>
 
-<% content_for :head do %>
+<% provide :head do %>
   <%= rss_feed_link_tag route_set: hyrax %>
   <%= atom_feed_link_tag route_set: hyrax %>
 <% end %>
@@ -9,7 +9,7 @@
   <%= render partial: 'scripts', formats: [:js] %>
 <% end %>
 
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-file"></span> <%= t("hyrax.admin.sidebar.works") %></h1>
 <% end %>
 

app/views/hyrax/my/works/index.html.erb

@@ -1,6 +1,6 @@
 <% provide :page_title, t("hyrax.admin.sidebar.works") %>
 
-<% content_for :head do %>
+<% provide :head do %>
   <%= rss_feed_link_tag route_set: hyrax %>
   <%= atom_feed_link_tag route_set: hyrax %>
 <% end %>
@@ -9,7 +9,7 @@
   <%= render partial: 'scripts', formats: [:js] %>
 <% end %>
 
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-file"></span> <%= t("hyrax.admin.sidebar.works") %></h1>
   <div class="pull-right">
     <% if create_work_presenter.many? %>

app/views/hyrax/notifications/index.html.erb

@@ -1,4 +1,4 @@
-<% content_for :page_header do %>
+<% provide :page_header do %>
   <h1><span class="fa fa-bell"></span>  <%= t("hyrax.admin.sidebar.notifications") %></h1>
   <%= link_to hyrax.delete_all_notifications_path,
               method: :delete,