Add check for C++11 support in Qt.  Error out if not configured right
Add check for C++11 support in Qt.  Error out if not configured right

darealshinji/BDSup2SubPlusPlus,amichaelt/BDSup2SubPlusPlus,amichaelt/BDSup2SubPlusPlus,darealshinji/BDSup2SubPlusPlus