network representation: adding nodes lengend, more readable resource names, and clustering

[FuqiX]

• legend something like this?

• more readable names maybe multi-lines, max character length?

• clustering, avoid overlapping text

Current network view

[FuqiX]

the legend issues were brought up in the F2F. move it forward

[theisuru]

legend was added. There are few clustering algorithms in the cytoscope libarary we used for the network. Need to see which will work best.