Merge pull request #14131 from AndreiH/bug927870_v1.2

Bug 927870 - Neaten up UI Tests app's app object
Adding email keyboard test.

Conflicts:
	tests/python/gaia-ui-tests/gaiatest/tests/functional/keyboard/manifest.ini

Conflicts:
	tests/python/gaia-ui-tests/gaiatest/apps/ui_tests/regions/keyboard.py