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/view_graph.jsp
beforem merging
indegree out degree name changes
year represent fixing, not completed
Merge pull request #29 from tharindu99/master

final customization in degree and out degree completed