Adding pseudo history states H and H* to state diagrams


git-svn-id: http://umple.googlecode.com/svn/trunk@3982 6ebf9d09-8eb1-0036-9d08-68c07d1b990a
patch-Aliaa-Fix-QueuedStateMachine-Fixing-SemanticTests-MultipleQSMTest-nestedStates-EventlessSM-and-QueuedSM-nestedState-level2.diff


git-svn-id: http://umple.googlecode.com/svn/trunk@3983 6ebf9d09-8eb1-0036-9d08-68c07d1b990a
[trace] fixing tracing of state machine tracing producing exception

git-svn-id: http://umple.googlecode.com/svn/trunk@3984 6ebf9d09-8eb1-0036-9d08-68c07d1b990a