Bumping to version 1.1.4b. This is because of the transitionDuration property added to many charts.
Merge branch 'development' of https://github.com/novus/nvd3 into development
Fixed conflicts in tooltip.js when merging with origin/development.
Removing previousXCoordinate variable from interactiveLayer.js because it was not being referenced.
Bumping to version 1.1.5b, due to the addition of 'use strict' everywhere.
[cumulativeLineChart] Fixing chart so that dragging index line turns off chart transitions.
Fixed bug in tooltip.js, for situations where parentContainer is undefined.
Added tooltip.js script to pieChartTest.html
[cumulativeLineChart] Fixed bug where clicking on a point in the chart
would not move the index line.