Update code to 0.7

Import utils again to have an easy way to get an access token
Merge pull request #6 from antoinesd/master

Finish the update to Agorava 0.7
Merge branch 'master' of https://github.com/jugchennai/agorava-empireavenue
Adding new classes for 0.7 compliance
Merge pull request #7 from antoinesd/master

Adding new classes for 0.7 compliance
Merge branch 'master' of https://github.com/jugchennai/agorava-empireavenue
Adding support for profile
Create a specific OAuthService to send request in the way of Empire Avenue (which is not the standard OAuth 2.0 way)
Merge pull request #8 from antoinesd/master

Correcting issue in request that make EA request failed
Adding Jackson Module
Merge branch 'master' of https://github.com/jugchennai/agorava-empireavenue
Modified for profile and status mixins
added ignore of agorava property
Update agorava.properties
Update agorava.properties
Added comments
 removed commented code
Merge branch 'master' of https://github.com/jugchennai/agorava-empireavenue
added Community calsses
Merge branch 'master' of https://github.com/jugchennai/agorava-empireavenue