add dialog to accept the node class
Merge branch 'development' into Unconnected_Node_Support
display one disconnected node
backend fix for calculating levels
front end alto for showing unconnected node - still in dev
drawing multiple unconnected trees
more logging
Merge branch 'development' into Unconnected_Node_Support
Add Node dialog in manual mode
Split graphs into multiple disconnected graphs for DisplayModel.
Merge branch 'development' into Unconnected_Node_Support

Conflicts:
	karma-web/src/main/webapp/index.jsp
	karma-web/src/main/webapp/js/semanticTypes.js
	karma-web/src/main/webapp/js/worksheetOptions.js
Fix the width for worksheet
Mark the "Add Node" nodes in blue
Merge branch 'development' into Unconnected_Node_Support
Merge branch 'development' into Unconnected_Node_Support
Delete the node added using "Add Node"
Merge branch 'development' into Unconnected_Node_Support

Conflicts:
	karma-web/src/main/webapp/js/worksheetOptions.js
Merge branch 'development' into Unconnected_Node_Support
Merge branch 'Unconnected_Node_Support' into development