cleaned of stuff which I don't need for routing: tooltip, table, transition time
added pure-min.css to repo
utils: added class Memo, useful for cleaner code but introduces a little memory leak (memoId)
initial_embedding, prepare_data: moved getRadicals and getKanjis to prepare_data; also added helper setupKanjiRadicals
interactivity: View.update gets parameter graph; ensure node.label
interactivity: node update sets text.text and a debug.style for later on
central_station, *: use CentralStationEmbedder, slideshow for awesomeness, config slideshowSteps > 1 is nice
Merge branch 'routing'

Conflicts:
	index.html
	src/interactivity.coffee
	src/main.coffee
	style.css