added packages needed to readme
Merge branch 'master' of https://github.com/heschlie/Zachariah

Conflicts:
	README.md
Merge branch 'master' of https://github.com/heschlie/Zachariah
Merge branch 'master' of https://github.com/heschlie/Zachariah
changed the wall detector to be closer to the distance of the floor detectors to prevent snagging on slopes when falling, also added FPS counter to caption bar