Add logic and fields to process a partial refund
 - modal updates
 - additional methods
logic updates to paymentModal
change from payments -> transactions
break out additional expenses
make description a field available for all payment types,
 and expenses
jshint
Merge branch 'master' into EVENT-85b
Update labels
Merge branch 'creditCardArrayFix' into EVENT-85b
Ability to cancel a refund
 - just updates the modal
jshint
Fix sorting
Add ability to remove expense
Call DELETE instead of PUT
jshint
Merge pull request #228 from CruGlobal/EVENT-85b

Partial Refunds and Additional Expenses