doc + somes modifications to fit the new uml diagrams
intermediate commit. Start using shared pointers in game context
edited gitignore
Merging (failure in test_hello).
Fix logs (and hello_client).
Clean gitignore.
Merge pull request #17 from fdiller/master

Minor refactor of Game class and documentation addition.
Merge remote-tracking branch 'origin/master'
Merge with Florent + fix Segmentation Fault on server_main