use calculatedTotalDue for displays
use calculatedTotalDue here too
use remainingBalance returned from the API
 - instead of doing math in JS, eliminates floating point precision errors
use registration.remainingBalance here too
correct money format
jshint
Update registration on registrant answers update
Merge branch 'EVENT-89' into hideQuestionsFix

Conflicts:
	app/views/modals/paymentsModal.html
	app/views/reviewRegistration.html
Merge pull request #225 from CruGlobal/hideQuestionsFix

Make copy of blocks so removing doesn't cut loop short
No cache HTML meta tags
Add logic and fields to process a partial refund
 - modal updates
 - additional methods
Don't send errors on localhost
logic updates to paymentModal
Credit card fields on review registration page
change from payments -> transactions
break out additional expenses
make description a field available for all payment types,
 and expenses
Check for null
jshint
Use different data if registration is complete