Explicitly use pyglet in app_opengl_context()
Try fixing gl tests. Getting desperate.
Another attempt... :(
This might fix the gl testing.

Added special method to context that runs a test multiple times
in the paint event handler. If it succeeds one time, all is well.
Merge pull request #184 from almarklein/test-context-use-pyglet

Fix that GL tests fail
Fixes for qt apps related to selection and re-calling use()

Pyglet was higher in the list then PySide and PyQt4, making it
be selected earlier if both pyglet and PySide were in sys.modules.

repeatedly calling app.use() with 'PySide' or 'Qt' did not work
because the backend name is something like 'PySide (qt)'.
Null commit to trigger Travis

Test whether the qt segfault is reproducable or a glitch
Use faulthandler when running nose tests

For our lovely segfaults :)
FIX: Fix segfaults
FIX: Revert Qt changes