adding orientation
Merge branch 'master' of https://github.com/michaellin/openwsn-gina

Conflicts:
	software/barebones/getdata3.py
	software/barebones/input_functions.pyc
Merge branch 'master' of https://github.com/michaellin/openwsn-gina
integrating gravity compensation
Merge branch 'master' of https://github.com/michaellin/openwsn-gina