jordens/pyflycapture2 — pull request #2 by d1ff (2014-09-03 19:19:51+00:00)
Title: Basic support for external triggers in Context class

Hi!

I've implemented set of methods to support external triggering of the camera.
It's based on this [SDK example](http://www.ptgrey.com/products/pgrflycapture/examples/AsyncTriggerEx.html).