ticket248: send the 'aloha-smart-content-changed' event when deleting math, editing math and inserting math.  This event will make the Save button from Saved to Save if needed.
ticket248: send the 'aloha-smart-content-changed' event when deleting math, editing math and inserting math.  This event will make the Save button from Saved to Save if needed.
Merge branch 'dev' of github.com:wysiwhat/Aloha-Editor into dev