clock app object
This is for issue #480. Cost control app FTE.
Deleting last empty line
Modified according to zacc's suggestion
test for changing language
Test that checks adding a new tab to a browser.
Updated acording reviews
Add code for #448

Add code for #448:[Dialer] Add a contact from the Dialer screen
modified according to zacc and bebef1987's suggestion
Merge remote-tracking branch 'origin/master' into change_language
Updaded
Test opening a new tab in the browser.
Merge branch 'desktop' of https://github.com/mozilla/gaia-ui-tests.git into test-browser-new-tab

Conflicts:
	gaiatest/apps/browser/app.py
	gaiatest/tests/browser/manifest.ini
Removed tearDown() method and fixed typo
pep8 fixes
Merge branch 'master' into test-browser-new-tab
Merge branch 'master' of https://github.com/mozilla/gaia-ui-tests.git into test-browser-new-tab

Conflicts:
	gaiatest/tests/browser/manifest.ini
Modified accordingly
Replaced sleep with wait
Added a try-exception block to the teardown of gaia_test.py (fixes issue #435)