Fixing bug with batch address verification.
Adding note to batch address verification ui section.
Checking maps are not empty before trying to iterate over them (I was getting exceptions when running tests).
Adding info to comment.
Moving address verification batch test into its own class.
Merge dev into feature/809-page-messages-error
Merge pull request #848 from SalesforceFoundation/feature/809-page-messages-error

Feature/809 page messages error
Merge dev into feature/362-trial-walkthrough