Fix for issue 1708 - nightbuild close dialog throwing error
Fix for issue 1708 - nightbuild close dialog throwing error

- Check the returned active object to see if it is valid before attempting to extract the transition out of it. Default to $.mobile.defaultDialogTransition if there is no active object.

arschmitz/uglymongrel-jquery-mobile,npmcomponent/cbou-jquery-mobile,arschmitz/jquery-mobile,hinaloe/jqm-demo-ja,rwaldron/jquery-mobile,arschmitz/jquery-mobile,hinaloe/jqm-demo-ja,rwaldron/jquery-mobile,arschmitz/uglymongrel-jquery-mobile,arschmitz/jquery-mobile,hinaloe/jqm-demo-ja,npmcomponent/cbou-jquery-mobile,startxfr/jquery-mobile,npmcomponent/cbou-jquery-mobile,startxfr/jquery-mobile,arschmitz/uglymongrel-jquery-mobile,startxfr/jquery-mobile