HB-17888 Saving Progress

1. Added groupIndex and stackIndex to all of the bar charts.
2. Added metadata support for individual bars, a stack of bars and/or a group of bars
3. Fixed highlight example where clicking on a bar in the second bar chart would not correctly undo the "greying" effect until the user moved the mouse off the bar.
HB-17888 Fixed issue with stack index for vGroup and hGroup bar charts
HB-17888 mousemoveHandler support added
HB-17888 Added stackMetadata and groupMetadata place holders in the default options of czChart.
Modified CzChart to move the chart on window resize