Updates jquery to 1.11.0
Autofocus the cancel button in confirm dialogs.
Fixes the logout button.
Fixes confirm notice if toggling an dirty element.
Animates preview frame and element panel resizing.
Bump version to 3.0.0.rc4
Store current confirm dialog as currentDialog, so it can be closed globally. Fixes #465
Proper name spacing for module includes. Refs #462
Revert to the consistent behaviour we had before 0080bf4681d652681045a8cf5f74a80bf6392198.

Even a logged in user should not be able to visit an non public page. For further reference please see https://github.com/magiclabs/alchemy_cms/issues/463

Refs #463
Fixes Userstamp include
Fixes some icons.
Fixes spec for admin users visiting unpublished pages.
Store all open dialogs in a collection for further reference. Refs #466

- Alchemy.currentDialog is now a function that returns the last dialog instantiated.
- Alchemy.closeCurrentDialog() now closes the last dialog instantiated.
Wait 'til the upload dialog is closed before refreshing the archive window. Closes #466
Styles the create language tree form. Closes #470
Fixes indention of haml element editor partial. Closes #472
Ensures that the redirect gets called even if no dialog is open. Closes #473
Removes duplicate please wait overlay call while saving page order.
Explicitly set the language_code after creating a page. Closes #474
Adds global help window accessible via ? key.

This help window only shows keyboard shortcuts at the moment.