Fixed display-points and rotate-cube examples
Fixed animate-shape example
Merge branch 'master' into examples-fix
Modified gloo wrapper docstring and updated examples to use only gloo
Sandbox starts but is still broken
Merge pull request #209 from mssurajkaiga/examples-fix

WIP: Fixing broken howto examples
Merge remote-tracking branch 'vispy/master' into paint_to_draw

Conflicts:
	examples/howto/display-lines.py
	examples/howto/display-shape.py
	examples/howto/rotate-cube.py
	examples/howto/start.py