Add angle tool to JHotDraw7

We need a very small job done extending the Java JHotDraw7 framework to include both obtuse and reflex angle measurement tools such as this: [login to view URL] JHotDraw7 can be obtained here: [login to view URL] You will most likely need to extend the BezierFigure to create these two measurement tools and wrap them in a CompositeFigure such that the tool consists of both the drawing tool as well as the text tool used to display the actual angle. The angle tool should also draw the arc connecting the lines as per the drawings above. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition ## Platform Cross platform Java.