Adding more information to the error messages added to the records. Fixes #202.
Merge branch 'dev' of https://github.com/SalesforceFoundation/Cumulus into feature/202-more-error-info

Conflicts:
	src/classes/ERR_Handler.cls
Merge pull request #212 from SalesforceFoundation/feature/202-more-error-info

Adding more information to the error messages added to the records. Fixe...
Merge dev into feature/184-rollup-test-refactor