Updated ORA2 to release-2014-04-15
Fix duplicate save and cancel buttons in Studio

STUD-1531

Also add support for refreshing the modal on custom save
Merge pull request #3361 from edx/andya/rc-fix-duplicate-buttons

Fix duplicate save and cancel buttons in Studio
Merge pull request #3359 from edx/will/ora2-release-2014-04-15

Updated ORA2 to release-2014-04-15
Fix batch enrollment box email sending
Merge pull request #3362 from edx/sarina/fix_batch_enrollment_emails

Fix batch enrollment box email sending
Fix for BLD-993

In certain cases jQuery errors when it is passed an invalid
selector. A fix for this is to silently catch these errors.