Use `j` instead of `escape_javascript` helper.
Fixes page status restricted icon position.
translated simple_form.nl.yml
Get rid of jQueryUI dialog for page preview and elements window.
Adds `Alchemy.Dialog` JS class and use this for all dialog windows.
Adds `Alchemy.ConfirmDialog` JS class and use this for confirm dialogs.

- Renames `Alchemy.openConfirmWindow ` -> `Alchemy.openConfirmDialog `
- Renames `link_to_confirmation_window ` helper -> `link_to_confirm_dialog `
Updates jquery-ui-rails gem and removes jQueryUI.Dialog \o/
Render proper message after clearing element clipboard.
Styling for forms getting displayed in main content.

If one opens a resource edit form in a new tab, it is now nicely formatted.
Uses function, instead of custom event as close dialog callback.

Fixes an issue with events sometimes not firing. Hey JavaScript events \o/
Adds a class to form of `button_with_confirm` helper.
Lots of layout fixes (sizes and padding of several dialogs, etc.).
Bump version to 3.0.0.rc3
Adds a delete_button helper for resources.

Now deletes are proper DELETE requests without the need of javascript. Thats very helpful for tests.
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