Issue #2342237 by martin107: Fixed Cannot use the same variable in the inner and outer foreach loop ( $label ).
Issue #2342227 by martin107: Fixed untraversable for loop in DisplayFeedTest().
Issue #2329759 by Sutharsan: Move container classes from preprocess to templates.
Issue #2343787 by tim-e: Fix use of get() and set() in ContactForm getters/setters.