use global node coordinates array for when no coordinates exist
handle 0-length edges correctly
remove goofy default colors
impement new properties:
label.col
usearrows
vertex.border
vertex.lwd
edge.lwd
edge.col
working on titles
Create gh-pages branch via GitHub
commented out sample content

added some example graphs
adding code examples
Merge branch 'gh-pages' of github.com:michalgm/ndtv-d3 into gh-pages