set up the directories
gitignore
getting unittest working + numeric transforms
transform move away from OO + filtering
simple statistics (count, sum, uniq)
refactor data processing to be less verbose
sorting, limiting and additional filtering

- also removing _ from statistical functions; they bug out for some
  reason
framework for layers + scatter plot
layer - line
scale fns for modifying input to scale
metadata calc + bar charts
numeric/categorical guides in strict mode
various small changes
preliminary tick generation (incomplete)
log scale ticks (untested)
add raphael.js

+ gitignore a file that tests raphael
workflow for dim & scale creation; pointless reorg
make data processing object oriented
make chart/graph an object
add scales + rendering for VERY simple rendering