Merge branch 'notification_level_note' into 'master'

Notification level note

Fixes #1406

![Screenshot 2014-10-14 12.28.40](https://dev.gitlab.org/uploads/gitlab/gitlabhq/e2aef0a8d6/Screenshot_2014-10-14_12.28.40.png)

See merge request !1174

app/views/profiles/notifications/show.html.haml

@@ -31,12 +31,12 @@
 
 .clearfix
   %hr
-  %p
-    You can also specify notification level per group or per project
-    %br
-    By default all projects and groups uses notification level set above
 .row.all-notifications
   .col-md-6
+    %p
+      You can also specify notification level per group or per project.
+      %br
+      By default all projects and groups uses notification level set above.
     %h4 Groups:
     %ul.bordered-list
       - @group_members.each do |users_group|
@@ -44,6 +44,10 @@
         = render 'settings', type: 'group', membership: users_group, notification: notification
 
   .col-md-6
+    %p
+      To specify notification level per project of a group you belong to,
+      %br
+      you need to be a member of the project itself, not only its group.
     %h4 Projects:
     %ul.bordered-list
       - @project_members.each do |project_member|