Server now sends velocity data to the client

The client does not do anything with the data, currently, but it is
useful for bots ;)
Added velocity angle
Final touches

- Death to the unwanted semicolon
- Theta name changed in the packet
- Rounded the theta value to an integer
Merge pull request #57 from rogerfachini/velocity

Server now sends velocity data to the client.
Assuming this is tested, it's a GO!