Load jquery in the head on mobile

Some pages need jquery in the head and instead of loading it twice on
these pages, it is better and easier to load it in the head on all
pages. It should be in the cache after the first load anyway.

closes #7086

Changelog.md

@@ -7,6 +7,7 @@
 * Invalidate sessions with invalid CSRF tokens [#7050](https://github.com/diaspora/diaspora/pull/7050)
 * Liking a post will no longer update its interacted timestamp [#7030](https://github.com/diaspora/diaspora/pull/7030)
 * Improve W3C compliance [#7068](https://github.com/diaspora/diaspora/pull/7068)
+* Load jQuery in the head on mobile [#7086](https://github.com/diaspora/diaspora/pull/7086)
 
 ## Bug fixes
 * Post comments no longer get collapsed when interacting with a post [#7040](https://github.com/diaspora/diaspora/pull/7040)

app/views/conversations/new.mobile.haml

@@ -2,8 +2,6 @@
 -#   licensed under the Affero General Public License version 3 or later.  See
 -#   the COPYRIGHT file.
 
-= javascript_include_tag :jquery
-
 :javascript
   $(document).ready(function () {
     var data = $.parseJSON( "#{escape_javascript(@contacts_json)}" ),

app/views/layouts/application.mobile.haml

@@ -48,6 +48,8 @@
     - if Rails.env.test?
       = stylesheet_link_tag :poltergeist_disable_transition, media: "all"
 
+    = jquery_include_tag
+
     = yield(:head)
 
     = include_gon(:camel_case => true)
@@ -64,7 +66,6 @@
         = yield
 
     / javascripts at the bottom
-    = jquery_include_tag
     = javascript_include_tag "mobile/mobile"
     = load_javascript_locales
     = include_chartbeat

app/views/profiles/_edit_public.haml

 - content_for :head do
-  - if mobile
-    = javascript_include_tag :jquery
   :javascript
     $(document).ready(function () {
       var data = $.parseJSON( '#{@tags_array.to_json.gsub("'", "\\\\'")}' ),

app/views/status_messages/bookmarklet.mobile.haml

@@ -19,6 +19,3 @@
       $("#status_message_text").val(contents);
     }
   });
-
-- content_for(:head) do
-  = javascript_include_tag :jquery

app/views/users/getting_started.mobile.haml

@@ -3,8 +3,6 @@
 -#   the COPYRIGHT file.
 
 - content_for :head do
-  = javascript_include_tag :jquery
-
   :javascript
     $(document).ready(function () {
       var data = $.parseJSON( '#{@tags_array.to_json.gsub("'", "\\\\'")}' ),