check to for empty string before returning
Blank strings eval to False
Test blank to email returns empty list
Add some missing jquery dependencies
Fix template caching when developing
ckeditor 4.1 -> 4.3

This adds IE11 supprt
Merge pull request #164 from fusionbox/emailsuccesshandler_send_to

only send an email with nonempty to address
put the 'commit and approve' button in the revert form too
Merge remote-tracking branch 'origin/jquery-dep'
Fixed the missing icons in CKEditor.
Use a SortedDict for form fields to preserve order
Fixing small bugs in the refactored CSS, returning to original theme
Merge branch 'update-ckeditor'

* update-ckeditor:
  Fixed the missing icons in CKEditor.
  ckeditor 4.1 -> 4.3