Modified END file of all group bugs. Command nbshape moved to END file. Add begin with variable subgroup
Small correction in END file
Replaced test case bug726_3 from moddata to modalg
Adding procedures checkcolor and checkpoint.
Modified test cases which are used QAGetPixelColor or QAAISGetPixelColor2d
Allow using command QAAISGetPixelColor2d on WNT
Rename test case tests/bugs/vis/bug19619 to pro19619
Added test cases to modalg and moddata