Supporting trigger handler load order and action change on app update.
Adding "User Managed" to TDTM table, and removing the "Delete" link.
New trigger handlers should be user managed by default.
Wrapping email notification from install script in try-catch.
Merge pull request #669 from SalesforceFoundation/feature/620-tdtm-ordering-scheme

Feature/620 tdtm ordering scheme
Merge pull request #671 from SalesforceFoundation/feature/cumulus-uat-build-fix

Fix for Cumulus_uat build script
Merge pull request #670 from SalesforceFoundation/feature/668-install-script-sandbox-error

Feature/668 install script sandbox error
Merge dev into feature/cumulus-uat-build-fix