Update subject and body of permissions email
 - subject and body still had "Formvent"
 - added text to explain link is for one-time use only
Merge pull request #259 from CruGlobal/EVENT-88

Update subject and body of permissions email
fix broken tests (activation code accept time elapsed)
Add ability to ask payment questions
Update spacing
Update answer questions to get money value from blocks.
- avoid the ability to manipulate money values by looking them up from db instead of receiving them from front end.
Clean up code
Correct total calculations
Correct total calculations
Correct logic in TotalDueBusinessLogic and add Answer for testing
Correct logic in TotalDueBusinessLogic
Correct tabs, spacing and braces
Change == to .equals
pass in JsonNode to JsonNodeHelper instead of block
bracketology
update method name for clarity
consolidate logic (was repeated)
consolodate/condense equality checks
renaming file to v1.6.4 b/c it has already been applied as that to stage/production
Improvements to Total Due calculation (part 1)