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
Merge pull request #23 from jesseniemisto/master

Initial implementation doc (WIP)
implementation doc: external libraries.
Merge pull request #24 from jesseniemisto/master

implementation doc: external libraries.
Added raspberry pi userland to used libraries.
Beautify.
util: directory file list function.
Proper sample playing logic.

Will initialize the sample structure with files from samples directory.
Logic will call audio lib to play one random sample from the structure.
Merge pull request #25 from jesseniemisto/master

samples
Added implementation documentation of rotation angle calculation.
Merge branch 'master' of https://github.com/domewolf/raspimobot
removed motor y code because motor y has been removed from the project
turn radius now has maximum value and turn delta is tracked