Bug 938061 - Write a test to open Settings app from Utility tray r=zac

bug#938061 - fixed some basic formatting issues r=zac
Merge branch 'bug#938061' of https://github.com/jammink/gaia into bug#938061

Conflicts:
	tests/python/gaia-ui-tests/gaiatest/tests/functional/system/manifest.ini
	tests/python/gaia-ui-tests/gaiatest/tests/functional/system/test_quick_settings.py