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 @ ffed37013d3c8af77c3777d71d45abc10649dbb4

Kevin Brown ffed37013d Added back the `allowClear` option		vor 11 Jahren
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css	ffed37013d Added back the `allowClear` option	vor 11 Jahren
js	ffed37013d Added back the `allowClear` option	vor 11 Jahren