cf #9 - Python script to get a token from github from a code
cf #9 - Call to Github to get logged user details

The login process via oauth does not give us the username, so we'll have
to make this call to get it.
cf #9 - Home not managed correctly if ui-state=dialog in the url
cf #9 - Text on the home to inform about authentication
cf #9 - Whole login/logout process

Todo: use data from localstorage when starting the application
cf #9 - Show login/logout menu entry when creating menu
cf #9 - The controller logout method call the display one, not the reverse
cf #9 - Change the way are passed to the controller.login method
cf #9 - Use, and check, saved auth data at start
Close #9 - compress statics, ready to merge