Merge pull request #1159 from teodosia/unxfail-call-log

Unxfail call log
Put preventative wait into Contacts tests to wait for contacts lists to load especially after API insertions
Put preventative wait for app_update_notification for test_system_notification.py
Remove delete_all_alarms and tearDown from Clock tests

Conflicts:
	gaiatest/atoms/gaia_data_layer.js
Migrated the videoplayer app to use marionette By
migrate camera app to marionette By
Migrate music app to use marionette By
migrate contacts app to marionette By
migrate cost control app to marionette By
Migrate gallery app to use marionette By
Migrate calendar app to use marionette By
migrate Browser app to marionette By
migrate email app to marionette By
migrate ev-me app to marionette By
migrate Keyboard app to marionette By
migrate Marketplace app to marionette By
migrate Messages app to marionette By
migrate FM-Radio app to marionette By
Migrate settings app to use marionette By
migrate Cards view app to marionette By