Modifications for SysML diagrams

src/ui/IconManager.java

src/ui/MainGUI.java

src/ui/RequirementPanel.java

src/ui/TGComponentManager.java

src/ui/TGConnectingPoint.java

src/ui/TGUIAction.java

src/ui/req/Requirement.java

src/ui/req/RequirementDiagramToolBar.java

src/ui/req/TAttributeRequirement.java

src/ui/req/TGConnectingPointDerive.java

src/ui/req/TGConnectingPointVerify.java

src/ui/req/TGConnectorComposition.java

src/ui/req/TGConnectorCopy.java

src/ui/req/TGConnectorDerive.java

src/ui/tmlcompd/TMLComponentTaskDiagramPanel.java