Add an IE polyfill for requestAnimationFrame. Close #47
Update built files
Update Gruntfile to remove errant brace after public map-type variable. Fix the .d.ts file.
Release version 0.15.1.
Factor 16 out into a static
Add jsdoc to cat axis
Merge pull request #514 from palantir/ie-raf

Add an IE polyfill for requestAnimationFrame. Close #47
Merge branch 'master' into hover-legend