Make the TimeScale typeCoercer safe
Revert back to 0.29.1

Going back in time...
Merge branch 'release-0.30.0'

Actual release of v0.30.0

Conflicts:
	plottable-dev.d.ts
	plottable.zip
Merge branch 'release-0.31.0'

Conflicts:
	plottable.zip
Merge branch 'release-0.32.0'

Conflicts:
	plottable.zip
Removing MultiTestVerifier
Updating some values restore working barPlotTests
Removing MultiTestVerifier from barPlot
Plots default to using positiveOffset if datum value is 0
If all negative/0 values, use negative offset
Check is on dataset basis
code cleanup and modifying getDrawer on only the specific renderer
renderer -> stackedPlot
stackedArea project accounts for empty datasets
Merge pull request #1158 from palantir/stackedArea0

[Hotfix --> develop] - Stacked Area with 0 valued datum uses the positive offset value
Using d[0] instead of d.length (Use the first value if it exists)
Merge pull request #1164 from palantir/emptyDatasetFailure

[Hotfix --> develop] - [StackedArea] - Projection logic allows for empty datasets
Fix merge issue, which resulted compilation error.
Merge pull request #1168 from palantir/compiler_err

Fix merge issue, which resulted compilation error.
Merge pull request #1148 from palantir/removeMultiTestVerifier

Removing MultiTestVerifier