Refs #485, #504 - Add support for nested columns.
Remove unused variables
Fix formwidget IDs for nested fields
Updated the treeview control, updated Redactor scripts, the CMS Content is now a compound object
Update redactor to latest
Improve october.hotkey.js
Ctrl/Cmd+S should work inside Redactor
Updates in the back-end UX
Beef up the debug extension
Added new dump() Twig function
Styling and API improvements to code editor
Performance improvement: CMS was passing all assets with each AJAX call
Add token breaker plugin to CMS page
column-name -> field-name
Token Breaker -> Token Expander, Add token expander to CMS editor
Tokens expand when holding CTRL and double clicking (Yay!)
Add full translation for pt-br
Correction in pt-br translations
Add missing refs and accessors for pageObj and layoutObj
ValidationException should be aliased. System and Application should probably be aliased too.
Minor changes in the back-end UI. The front-end router now triggers an event allowing to override the default routes. The CMS back-end UI now supports view bags in content files.