decorrelate game config file and technical config file
Merge pull request #48 from dchilot/feature/admin_client

Feature/admin client
Add callback to register robot.
Merge remote-tracking branch 'central/master' into feature/game_config_file
small modif to tests to accomodate new game config file
Merge pull request #51 from fdiller/feature/game_config_file

Feature/game config file
Fix Hello logic to comply with previous changes.
Add video address and video port in Welcome message.
Use more recent version of Messages.
Add test for robot registration.
Merge remote-tracking branch 'orwell/master' into feature/register_robot
Merge remote-tracking branch 'orwell/master' into feature/admin_client_2
Use official Messages from orwell-int.
Merge commit '010c1ea' into HEAD
Merge pull request #63 from dchilot/feature/register_robot

Feature/register robot
Merge remote-tracking branch 'orwell/master' into feature/admin_client_2
Add method to register a robot from an agent.