Add Makefile
Copy pep8 style checker from Kivy
Fix typo and style
Fix docstrings
Fix style errors
Don't ignore lib folder
Fix styles errors in libs/
Fix style errors after merging with master
Merge branch 'master' of https://github.com/kivy/plyer into maintenance

Conflicts:
	plyer/facades.py
Remove extra make command
Merge pull request #75 from trivedigaurav/maintenance

Maintenance merge