Merge pull request #25 from gihantharanga/master

some conflicts were resolved
added some view changes to imediate cycele representations
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
conflicts are solved