added data for gkno pipelines
fixed collisions in d3 key function for nodes
by_id function for finding now uses non-strict equality to accomodate quoted or non-quoted integer ids in JSON
fixed collisions in d3 key function for edges
added data for 1000G workflow
automatic line breaks for node labels
added 1000G variant detector tools
edges should correctly intersect node circles
generated 1000G graph for erik in this state
reverted styles
use fudge factor to prevent undesired cropping of top/bottom/left/right sides of SVG drawing
removing cruft