Merge pull request #3 from dchilot/master

Allow completion with YCM.
manip avec Damien
Merge https://github.com/orwell-int/server-game
server can receive and send
Merge pull request #4 from fdiller/master

Server can receive and send protomessages
Add missing file.
Use latest version of messages submodule.
message decoding fixed
started interbal logic to implement 'Hello' (client connects for the first time
Merge with changes from fdiller.
Ignore untracked files in submodule.
Update the executables used to run tests.
finished Hello process + processRobotState
Make tests pass.
Play with mutexes to avoid some calls to sleep in the tests.