started main program on sensor unit
Main program for sidescanner and linesensor done.
Merge with RFID
Sensor should be done.
Added files.
increased angle precision when sending coordinate to arm
added code for telling arm if we were unable to find object
will now only run object detection once rather than looping it, could be done prettier.
Scanners will now always be in start position when not in use.
Should now work with the new sensor code in main.
Fixed some comments and indentation.
Fixed small errors.
Fixed send_line_data().
Changed RFID to work with updated chassi code.
Hotfix for sidescanners, will now give correct angle to arm.
Moved sei() in send_line_data().
Added line_init() in startup.
Commit before merge with main_program.
Merge branch 'master' into main_program
Testing...