Work in progress for 1.4

 * Option to "track only"
 * Added custom form change event to detect a dirtyness state change
 * Added a method to support tracking new dynamic field additions
   (via custom event)
Further cleanup prior to 1.4 release - namespaced events and documentation.
Minor spello and grammer changes in comments/docs.
Changed a few event names before public release.

  * Used fully qualified namespace on events areYouSure vs ays
  * Changed disableMessages => silent based on input
Minor spello fix.