Refactor find_gift_card_variants
Clean up if statement, make it easier to read.

Use params instead of an instance variable.
Clean up index action

We dont need pagination for gift cards, one user will likely never have
more than several.
Refactor transfer action
Refactor create action
make the flash logic a little cleaner
Merge pull request #51 from Senjai/2-2-lav-experimental-gccrefactor

Refactor gift cards controller.