indegree/outdegree arrow head completed
add new function for indegree outdegree representation
resolve arrow head problem
incompleted and completed triad arrow head problem resolve
cc analysis added
data resource added to cc analysis
Merge branch 'master' of https://github.com/tharindu99/visualizer into tharindu99-master

Conflicts:
	src/main/java/org/karsha/visualizer/PostDataServ.java
	src/main/webapp/Quater_view.jsp
	src/main/webapp/index.jsp
	src/main/webapp/js/app.js
	src/main/webapp/js/function.js
Merge branch 'master' of https://github.com/tharindu99/visualizer into tharindu99-master

Conflicts:
	src/main/java/org/karsha/visualizer/PostDataServ.java
	src/main/webapp/Quater_view.jsp
	src/main/webapp/index.jsp
	src/main/webapp/js/app.js
	src/main/webapp/js/function.js
Merge branch 'tharindu99-master'
Merge pull request #52 from kkasunperera/master

resolve conflicts