Adding support for google+ api
upgrade bower version to 1.3.9 in package.json
Merge branch 'develop' into feature/google-plus-remote-support

* develop:
  upgrade bower version to 1.3.9 in package.json
Merge pull request #183 from hull/feature/google-plus-remote-support

Adding support for google+ api
Backend User auth fix if 3rd party cookies disabled

Fix for browsers with 3rd party cookies disabled and (http://www.hull.io/docs/users/backend) : Use jquery ajaxSend to send user sig as a header
prepare for 0.8.38 release