hugh/select2: Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results. fork from : https://github.com/select2/select2.git @ bc71ad4880d4e5de0ce89109efb6e623b4c1bdfc

Zubair 7515fa7f46 only verify when maximumSelectionCount is greater than 0 and add tests		vor 11 Jahren
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css	7f17291932 Fix support for deep nesting	vor 11 Jahren
js	7515fa7f46 only verify when maximumSelectionCount is greater than 0 and add tests	vor 11 Jahren