Merge pull request #252 from specialbrand/develop

Fix for the error with the unique field check using compound keys.
fix for 404_override when controller lives in the main application directory
Merge branch 'develop' of github.com:daylightstudio/FUEL-CMS into develop
Updates to Form_builder to add get_validator method. Also added "show_on" parameter to date and made date size a little bigger
added showOn to date field and fixed issue with CKEditor and issues when the image has a parenthesis in the name
added add_error to the record model
fixed issue with saving certain field types in block layouts inside a module other then pages
potential fix for really strange issue where the user's login credentials no longer work.
added options_list method to Fuel_modules.php
added ability to have a layout belong to multiple groups by specifying an array of group names
additional fixes for CKEditor and image translation
changed object to variables automatically with simple template parsing
Updates to CKEditor plugins so they don't overwrite the built in CKEditor image and link plugins
generated file fixes
fix for setting static block field types in modules other then the pages module
added 'add' and 'remove' methods to Fuel_layouts and automatically included module files located at fuel/{module}/config/{module}_layouts.php
set backticks on database name for "load_sql" method to prevent errors
check that a module exists while checking for overwrites
moved validator to use load->library for fuel_assets_model and MY_Model
Fix for issue in Chrome when using the link modal window and trying to select a page from the dropdown