Issue #2171315 by sun, Xano, diarmy, tim.plunkett: Ensure a NULL container in UnitTestCase::setUp().

Issue #2002910 by diarmy, toddtomlinson, dbcollies, heddn: Rename Views method get_field() to getField().

Issue #2002732 by Froelund, diarmy, drupalmonkey: Improve code maintainability by removing unused local variables - core/includes/update.inc.

Issue #2002498 by diarmy, phenaproxima: Rename Views method exposed_form_submit() to exposedFormSubmit().