lines are now 1.5px wide instead of 2.5px wide
Merge branch 'development' of https://github.com/novus/nvd3 into development
changes to tooltip. removed 3d shadow
Merge branch 'development' of https://github.com/novus/nvd3 into development

Conflicts:
	nv.d3.min.js
Found an issue when using transition().duration() with axis.
It was causing a certain kind of 'flickering' with historicalBars. Removing that usage for now.
Bumping to version 1.1.8b, because of removal of transitionDuration usage from axis.
Updating line chart test to include a volatile dummy stock chart
as test data.
Added nv-legend-* class to legend text and circle icon.
Fixing some IE bugs related to the tooltip.
Adding a "Select chart" button to each of the test charts.
Clicking this button will hide other charts and only display the selected
one.
이벤트 추가
bugfix singlePoint
Merge branch 'bugfix'