add klaatu window provider
add build support for klaatu
setup: improve library path
probesysfs: eliminate dependence on getconf
init: add support for klaatu platform
utils: add support for klaatu platform detection
mtdev: add support for unversioned so name
input providers: add support for mtdev on klaatu
setup: change klaatu build var to reflect its nature
setup: allow klaatu lib dir to be specified
Merge remote-tracking branch 'kivatu/master'

Conflicts:
	kivy/__init__.py
	setup.py