Added docstrings for all functions in bus.c
Merge pull request #47 from TSEA56-2014-Grupp-1/bus

Bus to master.
first initial commit
Merge with arm-servo-control
Simulation of inverse kinematics in Python
the python code has to be converted to c, still missing about half
first proper implementation of IK
Bug fixes for IK, tested
Conversion from radians to servo positions
Merge branch 'inverse_kinematics' into arm-servo-control