0023432: Connected Interactive Objects computed without Interactive Context

0023432: Connected Interactive Objects computed without Interactive Context

Setup interactive context for reference(s) in Compute() method of classes AIS_ConnectedInteractive and AIS_MultipleConnectedInteractive
Extend vconnectsh and vconnect to process several input objects, added displaying color for result object
Fixed errors in QAGetPixelColor DRAW command
Edit QAGetPixelColor command and test case
ViewerTest::GetColorFromName() - fixed iteration bounds
QAAISGetPixelColor() - removed redundant conversions
Turn back QAGetPixelColor output syntax in case of 3 arguments
Integration of test script to new test system