Add Restangular

[recidive]

Like said, we should consider adding Restangular to our stack to improve REST requests, add cache, etc.

[recidive]

A pull request is being worked on here:

#154

@jardix22 could you please outline the outcomes of your changes and the benefits of integrating Restangular in Choko?

[jardix22]

Here there more details of benefits and improves that brings the integration of Restangular.

And for me the more importar is the construct of URL.