Rewrite server to use UDP. No tabs in code.
ball.py: Select camera number, rather than default.
Goal.py: Minor changes to improve readability.
Removed tabs from source files.
Rename Goal.py to goal.py for consistency.
.gitignore added to ignore *.pyc files.
Removed unused files.
Added code to actually send UDP packets.
Change goal camera to be different to ball cam.
fixed range to meters and fixed angle equation