Bug 815175 - Don't display lowres tiles for now
Update marionette submodule
Fix up orientation of device in b2g tests

It looks like what we want to do is set a "default" orientation per device
(Unagi is portrait, Panda is landscape), then reset the tests to that when
they're running. That way we get sensible output and input parameters, not
things like screens tilted to 90 degrees. :)
Make where to start/end swipe gestures configurable
Disable new telemetry prompts in fennec
Add httplib2 to the list of eideticker dependencies