Changed Graph-Object format to match JSON to be fetched via GWM
Added code that computes number of FailoverLinks between 2 cluster nodes
Shifted utility functions and initialization code to graph-initalization.js
Added code to create cytoscape graph nodes list and added gnodes_json obj
Added code to generate cytoscape edges list
Replaced embedded graph data in graph.js with List objects generated in graph-objects.js
Corrected Ganeti node rendering positions problem in graph-objects.js
Added devserver.sh for local development and testing
Corrected an error in CytosEdgeList object, causing multiple edges to showup between ganeti nodes