Merge pull request #136 from e-cuellar/master

Initial implementation of labels for BarLineCharts
[ANALYZER-2369] -- Added 'inside' 'outside' positioning to values labels for pie chart
Merge pull request #137 from krivera-pentaho/dev

[ANALYZER-2369] -- Added 'inside' 'outside' positioning to values labels...
[ANALYZER-2364] - Added label position improvement for line chart
Merge pull request #138 from webdetails/ANALYZER-2364

[ANALYZER-2364] - Added label position improvement for line chart
Column chart implementation of Brett's mock up options...