Remove unused compass gem
Remove compass and sass
Set payment types of refund to be negative.
Merge pull request #261 from CruGlobal/EVENT-135

Set payment types of refund to be negative.
Merge pull request #260 from CruGlobal/removeCompass

Remove sass and compass gems
Push incorrect payment errors to payment errors array
Merge branch 'master' into EVENT-114
- Skip payment submission when paymentType = check
- Hide amount selection when paymentType = check