Add ajax calls to return JSON

Fix subtitles on minimize.
Fix styles for show.

app/assets/stylesheets/framework/mobile.scss

@@ -116,7 +116,7 @@
     display: none;
   }
 
-  aside {
+  aside:not(.right-sidebar){
     display: none;
   }
 

app/assets/stylesheets/framework/sidebar.scss

@@ -284,6 +284,15 @@
     @include collapsed-sidebar;
   }
 
+  .page-gutter {
+    &.right-sidebar-collapsed {
+      @include collapsed-gutter;
+    }
+    &.right-sidebar-expanded {
+      @include expanded-gutter;
+    }
+  }
+
   .collapse-nav {
     display: none;
   }

app/controllers/projects/issues_controller.rb

@@ -98,7 +98,9 @@ class Projects::IssuesController < Projects::ApplicationController
       format.json do
         render json: {
           saved: @issue.valid?,
-          assignee_avatar_url: @issue.assignee.try(:avatar_url)
+          assignee_avatar_url: @issue.assignee.try(:avatar_url),
+          milestone: @issue.milestone.title,
+          labels: @issue.labels.pluck(:id,:title,:color)
         }
       end
     end

app/views/projects/issues/show.html.haml

@@ -57,6 +57,5 @@
       %section.col-md-12
         .issuable-discussion
           = render 'projects/issues/discussion'
-      = render 'shared/show_aside'
 
 = render 'shared/issuable/sidebar', issuable: @issue
\ No newline at end of file

app/views/projects/merge_requests/_show.html.haml

@@ -73,7 +73,6 @@
             %section.col-md-12
               .issuable-discussion
                 = render "projects/merge_requests/discussion"
-            = render 'shared/show_aside'
 
         #commits.commits.tab-pane
           - # This tab is always loaded via AJAX

app/views/shared/issuable/_sidebar.html.haml

@@ -23,7 +23,7 @@
           %a.btn.btn-default.disabled{href: '#'}
             Next
 
-    = form_for [@project.namespace.becomes(Namespace), @project, issuable], remote: true, html: {class: 'issuable-context-form inline-update js-issuable-update'} do |f|
+    = form_for [@project.namespace.becomes(Namespace), @project, issuable], remote: true, html: {class: 'issuable-context-form inline-update js-issuable-update', 'data-type' => 'json'} do |f|
       .block.assignee
         .sidebar-collapsed-icon
           - if issuable.assignee