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

Bus to master.
removed macro in comm unit as well and added a display_force_update
Documented lcd code
Tried to find the reason for a bug, restructured some code in the process
Made the bus communication more efficient
Began touching up code for pull request
More editing for pull request
fixed bug after effectivisation, atmel reformatted some code as well
Merge branch 'master' into lcd

Conflicts:
	shared/bus.c
Rewrote lcd printing to use transmit. Also changed the way Comm-unit rotates the messages
Fixed typo
Removed test project
Fixed bug after stress testing
Merge pull request #58 from TSEA56-2014-Grupp-1/lcd-transmit

Lcd transmit
commit before merge
removed unneccesary code for linefollowing, will stop at pickupstations
Merge pull request #59 from TSEA56-2014-Grupp-1/linefollowing_merge

Linefollowing merge
Added start-button function
merged main_program into RFID-scanner