Added state object to multibarchart
built
Merge branch 'development' of https://github.com/novus/nvd3 into nvd3-state
state manager applied to scatterChart
cosmetic refactoring in nv.utils
console.log the new state when legend clicked (in scatterChartTest.html)
stateManager added to lineChart
stateManager added to cumulativeLineChart
stateManager added to linePlusBarChart
stateManager added to multiBarHorizontalChart
stateManager added to scatterPlusLineChart
stateManager added to stackedAreaChart
stateManager added to lineWithFocusChart
stateManager added to linePlusBarWithFocusChart
stateManager added to lineWithFisheyeChart
Merge pull request #2 from kashesandr/stateManager/scatterChart

State manager/scatter chart
Merge pull request #3 from kashesandr/stateManager/lineChart

State manager/line chart
Merge pull request #4 from kashesandr/stateManager/cumulativeLineChart

State manager/cumulative line chart
Merge pull request #5 from kashesandr/stateManager/linePlusBarChart

State manager/line plus bar chart
Merge pull request #6 from kashesandr/stateManager/multibarHorizontalChart

State manager/multibar horizontal chart