Merge pull request #120 from e-cuellar/master

[ANALYZER-2259] Added label and checkbox to support empty slices
[ANALYZER-2257] -- Changed default ordering so that Descending is the first option in Sunburst visualization
Merge pull request #121 from krivera-pentaho/dev

[ANALYZER-2257] -- Changed default ordering so that Descending is the fi...
[ANALYZER-2257] -- Changed menu ordinal for sunburst to appear directly beneath Pie chart
Merge pull request #122 from krivera-pentaho/dev

[ANALYZER-2257] -- Changed menu ordinal for sunburst to appear directly ...
[ANALYZER-2257] Full Null support.
Merge pull request #123 from webdetails/master

[ANALYZER-2257] Full Null support.
[ANALYZER-2257] Fixed tooltips.
* (Non-leaf) Inner slices don't show members that are only fixed in outer slices.
* The size-by value that is shown for inner slices is now the sum of that of all its children.
Merge pull request #124 from webdetails/master

[ANALYZER-2257] Fixed tooltips.
[ANALYZER-2257] -- Added extension point for text style of labels for sunburst
Merge pull request #125 from krivera-pentaho/dev

[ANALYZER-2257] -- Added extension point for text style of labels for su...
[ANALYZER-2257] Disabled the automatic label color (valuesOptimizeLegibility).
Merge pull request #126 from webdetails/master

[ANALYZER-2257] Disabled the automatic label color (valuesOptimizeLegibility).
[ANALYZER-2257] Fixed "valuesFont" not taking all font attributes into account.
Merge pull request #127 from webdetails/master

[ANALYZER-2257] Fixed "valuesFont" not taking all font attributes into account.
[ANALYZER-2357] -- wrapped the font setting with the default font for the sunburst font type
Merge pull request #128 from krivera-pentaho/dev

[ANALYZER-2357] -- wrapped the font setting with the default font for th...
Added initial property panel to display chart labels