Added initial bootstrap, flask, and d3 code. WARNING: May be broken
Added required package list
Fixed AJAX success function for adding a node
made some changes to the index html

Some issues need to be worked out still including the node stacking. I
need to figure out a way to define the boundaries of the svg and force
layout
Added partial citation mining.
Merge branch 'experimental' of https://github.com/bmenn/paper-serendipity into experimental
There seems to be an issue with the ajax call.

I made some changes but im not sure if they will work
Fixed d3 node placement. Add networkx objects.
Moved server responses for network graph to SSE.
Moved server responses for network graph to SSE
Merge branch 'experimental' of https://github.com/bmenn/paper-serendipity into experimental
Added links without test data

Stroke color is blue
Any cosmetic changes can be added to redraw function and it should be
fine
Added zoom function and drag-able nodes
Merge branch 'experimental' of https://github.com/bmenn/paper-serendipity into experimental
Replaced SSE with WebSocket. Almost fully functional. fixes #5 #3
d3 visualization tweaks for zooming and panning.
Added info display.