BF: Updated rush() on all platforms

- added realtime kwarg to function signature.
- realtime kwarg currently only used on Windows
- allows same script that calls "rush(realtime=True)" to be used
regardless of OS.
Merge branch 'master' of git://github.com/psychopy/psychopy
Merge pull request #715 from hsogo/master

BF: Benchmarck wizard could not detect pywin32.
BF: MovieStim was not working with autoDraw() so not at all on Builder!
ENH: made MovieStim2 compatible with autodraw
ENH: added an option in Builder to use opencv (Moviestim2) for movies
Merge pull request #710 from isolver/master

Added 'realtime' kwarg to rush() function on all platforms
BF: experiment.py had no access to the _translate function
FF: fixed test for component param names after adding movie backend
DOCS: bumped version
Merge pull request #716 from peircej/master

Added better movie support to Builder
BF: initPyo crashed when no input device is available on Windows