fixes to sleep time in motor turning
replaced gpio pin control from memhack to wiringPi. needs wiringPi lib to build. fix?
Merge branch 'master' of https://github.com/domewolf/raspimobot

Conflicts:
	src/logic.c
	src/main.c
Merge pull request #20 from jesseniemisto/master

Started implementation doc.
Removed useless diff division by 3, fixed typo in calc_rotation, changed diff threshold to 50 (empirically tested to be somewhat good).
wiringPi stub library and cmake funzies. atleast it builds :D
Merge branch 'master' of https://github.com/domewolf/raspimobot
Merge pull request #21 from leomuona/master

gpio now uses wiringPi library instead of memory hacks
enabling gpio pin control
Merge branch 'master' of https://github.com/domewolf/raspimobot
Merge pull request #22 from leomuona/master

enabled gpio pin control
Added motion detection algorithm to implementation doc.
implementation doc: moar detection.
Merge branch 'master' of https://github.com/domewolf/raspimobot