Refactors `Page#find_elements` and adds specs for `from_cell` option.
Scopes last edited pages in admin/dashboard to current site. Closes #392
Fixes specs for layout checking. (For rails ~> 3.2.14)

Template assertion has been fixed and improved in rails and was backported in 3.2.14. See https://github.com/rails/rails/pull/5808 for details.
Merge pull request #393 from robinboening/master

Scopes last edited pages in admin/dashboard to current site. Closes #392
Adds a Getting Help section to README
Added IRC chan info
Better ajax response handling in dialogs.

- Unauthorized requests now returns a 403 status.
- If the request returns javascript the dialog body gets emptied.
- Only html responses are placed into the dom.
Compresses 2.6 migrations
v2.7.0.rc1
Fixes bug in upgrader that creates languages, where it shouldn't.
Showing a spinner while importing the database from server.
Fixes database import Rake task and Capistrano recipe
Fixes a bug in 500 error view, where sometimes the alchemy routing proxy could not be found.
Removes the page info tooltip and add a overlay window instead.

This increases the rendering speed of the sitemap and adds possibilities to show even more infos of that page.
<hr> styling
Do not render element hint icon if element is trashed.
Only send user credentials via mail, if the value is from checkbox.
Fixes bug in Content#create_from_scratch that does not allow to create a content from essence_type.
Move shared essence partials into `views/alchemy/essence/shared` folder.
Updates jquery-rails gem.