Merge pull request #12 from gihantharanga/master

latest Updated Code of Web application
Merge pull request #13 from gihantharanga/master

Transfer the json data to the Servlet using jquery post method
updated with json reading in server side
view page changes ..
add instructions and disabled under construction links
Conflicts:
	pom.xml
	src/main/webapp/WEB-INF/web.xml
Merge pull request #14 from tharindu99/master

index page changes and some core changes
create highlighted pattern view page "circular_view_graph.jsp" with
content of "view_graph.jsp".
Merge pull request #15 from gihantharanga/master

JGraphT library is added to project
Merge pull request #17 from gihantharanga/master

sample buttion is added for indegree and outdegree
Merge remote-tracking branch 'upstream/master'
add tab panel to main network view
remove unused view page "cycle view"
Merge pull request #18 from tharindu99/master

main graph view changed, add panel to select patterns
Resolved some conficts