longer chain depth for 3 edges with 4 nodes
Merge branch 'master' of
https://github.com/Karsha-Project-LSF/visualizer.git

Conflicts:
	src/main/java/org/karsha/visualizer/DirectedGraphDemoServ.java
	src/main/java/org/karsha/visualizer/PostDataServ.java
	src/main/webapp/js/app.js
	src/main/webapp/js/function.js
	src/main/webapp/view_graph.jsp
code completed
Merge pull request #43 from gihantharanga/master

conflicts resolved