Add wait to bolster test_gallery_return_to_tile_view
Xfail dialer tests due to https://bugzilla.mozilla.org/show_bug.cgi?id=871762
Fix test_everythingme_app_install by waiting for element to be displayed
Fix test_import_contacts_from_sim by updating a locator
Update manifest.ini

Actually xfail the tests
Update manifest.ini

Un-xfail dialer tests to try to reproduce bug
Update manifest.ini

Truely unxfail the dialer tests