Promote LineGraphDumpTableResultsStep to top class
Fix bug in ExpandingMapIterator

The default value of numberOfNewRowsPerMapColumn (1) was being used in
setTransformedColumnsIndexes().
Remove printlns
Add backend support for binning in Line Graph
Add binning support for the Line Graph

The client code needs to be updated. New parameters:

- divGroupByVariableType
- divVariablePathway
- binningGroupBy
- manualBinningGroupBy
- numberOfBinsGroupBy
- binDistributionGroupBy
- binRangesGroupBy
- variableTypeGroupBy
Merge branch 'master' into line_graph_binning
To make GroupVariable support High Dimensional data and binning
To make GroupVariable support High Dimensional data and binning
To clean high dimensional params
Changed desc since more datatypes supported in the input boxes
Merge branch 'master' into line_graph_binning

Conflicts:
	src/groovy/jobs/table/ConceptTimeValuesTable.groovy
Merge pull request #36 from thehyve/line_graph_binning

Line graph binning