Rails 4 Compatible
Removing deprecated view helper
change API version
Deprecated options
Remove redirection for card payment source
Merge branch 'master' of github.com:crowdint/spree_conekta into rails-4

* 'master' of github.com:crowdint/spree_conekta:
  Fix localization typos.
set payment to complete
Removed Tracked Dummy app
- Fix broken test
- Added Payment by order id
Fix License owner
- Bump to spree 2.1
- Cleanup dependencies
- Installed Spork
WIP: assets restructuration
WIP: add integration testing
Added integration test for conekta card checkout
- The order now is captured once the first call status on the conekta  returns paid
Test for card payment method
* Added Cash(OXXO) and Bank(Banorte) Payment methos to api v2 of conekta
- Added VCR cassettes
- Added Code climate badge
Added Travis CI badge
- Fix test cases
- Added Travis CI config file