compress task removed
removed package.json entry for compress, and zip file
auto margin now working, series now using dataset() instead of data.getData(), series can use plain old array instead of insight.DataSet
automargin working for row and column series by abstracting away x/y to key/value
automargin now uses small amount of label padding
Merge branch 'fix/automargin' into develop
removed unnecessary variable in tests
add comment to Chart.calculateLabelMargin
Calculating correlation coefficients on groupings.
using proper equality operator in takeWhere and valueForKey
jshint equality is now checked
refactored parameters to chartFilterHandler to make more sense
Merge pull request #93 from Stavrakakis/master

ICS-49, ICS-71: Fix to automargin
Updated structure of tests
Moved ChartGroup tests into charts directory.
Pearson correlation calculation on raw inputs.
Calculating correlation coefficients on groupings.
Fixed jsdoc error for array of arrays.
Tests for lastElement array helper.
Removed duplicate test.