have callbacks for dragstart, drag, and dragend
updated compiled files
Merge branch 'master' into dragevents

Conflicts:
	plottable.d.ts
give a type to `getPixelData()`
line up dragevent functions
update build file
alignment
simplify drag callback API into `upperLeft` and `lowerRight` corners
typo
Adding API endpoint for endTickHeight in baseAxis

Close #612.
`ondrag` and `ondragend` callbacks get `startLocation` and `endLocation` arguments
Height recomputed to max(tickLength,endTickLength)
Projectors w/data arg takes 1st datum - area/line

Wrapping projector in a function that will only take the first item in the dataset
Only if the projector looks for an attribute in the data

Close #744.
Removing function check
Add built files, update test and add linePlotTests
Merge branch 'master' of github.com:palantir/plottable into 612-end-tick-length
[initial commit] StackedBarPlots are now a thing.
They descend newStylePlot, which implements the new dataset api.
clustered bars
Remove vestigial code
Subclasses of baseAxis use maxLabelTickLength

maxLabelTickLength as so: if endTickLabels exist, use maximum of endTickLength, tickLength
If they don't exist, use tickLength