#765 Added ability to format float number when adding option to content; created tests for HTML render helper;
#770: new content insert fixed.
#771 Fixed previewing of widgets
Merge branch 'dev' of github.com:devbridge/BetterCMS into dev
#677: ACE editor updated to be read only if CKEditor is read only.
Merge branch 'dev' of ssh://github.com/devbridge/BetterCMS into dev
#771: page image preview fixed.
Merge branch 'dev'