Switch back to sys frame in test_call_contact
r=jgriffin in IRC; disabling this test due to bug 840612.

Bug 840612 - Connection to Mozilla Guest wi-fi looks successful, but actually isn't
Disabling due to bug 833764 - target is null after tapping on cards view; r=jgriffin in IRC
Merge pull request #383 from zacc/switch_before_frame_lost

Switch back to sys frame in test_call_contact
Use remote phone number instead of twilio phone number
Restore settings from testvars if present
Wait for apploadtime event when launching apps
Restart B2G before each test, and created GaiaDevice class for device level interactions
Added missing resources unit test to manifest
Save all settings on failure
Save HTML source on failure
Allow duplicates of pushed files to be created by specifying a count
Bump version number to 0.7
Allow support for progressbar when pushing files