First commit
Getting closer to spec that works
Put key values in data object.
Basic spec now works :)
Update specs
Better way of determining active props
Make show spec chainable
Global scale prefix. Look for scales in subvises
Rename subvis file
Add prefix to axis scale name
Correct case
Convert compute_width to more general compute_align
Add auto width/height later
Add new cur_vis property
Improve spec generation
Collapse scales inside each vis
Remove old code
Better scale naming strategy
add_legend: don't examine scales until as.vega is called
Add axis examples
Start on documenting subvis