Clear the arrays on graph change
Merge branch 'master' of github.com:the-grid/the-graph
Redraw minimap when graph changes, refs #12
ready to conflict #12
thumb uses json version, redraw on change #12
include route #12
Scratch nodes out to remove
Keep dragging canvas even when mouse leaves window, like on Google Maps
Remove the 'swipe to remove' gesture in favor of scrubbing
Show a pointer trail when demoing
Merge branch 'master' into gh-pages
Update demo