Merge pull request #27 from nodesocket/rev1

Master branch, **with** root tokenization, and the change of card_number to number. Includes all tests and they are passing using Karma.
Merge pull request #29 from nodesocket/rev1

Update README.md noting to checkout rev1 branch.
Merge pull request #30 from nodesocket/rev1

Fixed deploy error in setting Cache-Control, and also deploy to s3 with <%= pkg.version %>/balaned.js and <%= pkg.version %>/proxy.html.
Updated language to support i.e. variant window.navigator.userLanguage