THE 2-MINUTE RULE FOR ROCHUS-KELLER

An Examination with Valgrind disclosed that the costliest capabilities are mutex locking/unlocking, malloc/free of charge and QImage managing. So I did some optimizations concerning QImage. In dedicate 1f976e5b5ee3cfe40921c74b97edb8d84ff39dd3 I reorganized the Smalltalk bitmap to QImage conversion which resulted in testStandardTests operating time