Added public reposition method and escCloseAll option#8

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MGotink wants to merge 3 commits intodinbror:masterfrom MGotink:master

+31-20

Commits on May 2, 2013

expose a reposition method to allow manual repositioning
MGotink
committed
Added escCloseAll option to control if all popups or only the topmost popup should be closed after pressing esc
MGotink
committed

Commits on Jun 28, 2013

Fix issue with (un)binding events
MGotink
committed