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...
Merge pull request #139 from e-cuellar/master

Column chart implementation of Brett's mock up options...
Implementation of Bret's mock ups for Stacked Column Charts
Merge pull request #140 from e-cuellar/master

Implementation of Bret's mock ups for Stacked Column Charts
[ANALYZER-2369] -- Removed options other than 'none' and 'center' from heatgrid labels dropdown. defaulted 'outside' for pie chart labels dropdown