ANALYZER-1716, ANALYZER-1595 and ANALYZER-166

[ANALYZER-1716] Setting chart series color in Analyzer doesn't work in Pentaho 4.8GA - merge of 4.8 fix to sugar
[ANALYZER-1595] Visualizations need to handle null/missing/NaN/NA Measure values consistently when used as size by and color by values.
[ANALYZER-1660] Visualizations need to handle negative Measure values consistently when used as size by and color by values.

Still not updating the properties panel when negative values exist.