Roll IterativeDelay animator class into Base.

Close #1131.
Fix initialization issue.
values coerced to numbers (floats) for stacking
Better test name
Fix numberOfIterations concern.
Fix NaN delay issue.
Fix Axis.Category position bug caused by mistake in table layout
Fix works by setting the width and height of component sooner, and
ensuring that it is never greater than offered width.

Code is also cleaner.
Add a unit test.
Close #1188.
Merge branch 'develop' into 1131_roll_iterative

Conflicts:
	plottable-dev.d.ts
parseFloat -> +
Merge branch 'develop' into stackString

Conflicts:
	test/components/plots/stackedPlotTests.ts
	test/tests.js
Remove plottable-dev.d.ts file.
Merge branch '1131_roll_iterative' of https://github.com/palantir/plottable into 1131_roll_iterative

Conflicts:
	plottable-dev.d.ts
Coerce to number
Account for stackedArea
Using yAccessor instead of d.y
Merge pull request #1177 from palantir/1131_roll_iterative

Roll IterativeDelay animator class into Base.
Merge pull request #1185 from palantir/stackString

[StackedPlot] - Strings coerced to numbers for stacking
use grunt parallelize for tslint
Merge pull request #1191 from palantir/axis-category-incorrect-position-1188

Fix Axis.Category position bug caused by mistake in table layout
Merge pull request #1200 from ashwinr/develop

use grunt parallelize for tslint