Fix charts.chart
TO MERGE update doc
Add multiple drill-down
Tips for each fact, dimension, cube, measure, level
Fix data: remove useless input
Add doc for charts
Add doc for charts.chart
Add doc
Use initChartContainerSpecific in wordcloudWithLegend
Fix data.dimension.getGeoProperty
Fix button reset filters
Fix removeFilter
Roll up on previously selected members, filtersStack added
Fix drill down selected
Fix setState
Fix conflict between pan and drill-across
Add tests for data, state & display namespaces
Test the fact selector

This is a port of existing tests of the former FactSelector now using
Jasmine and the new application architecture.
Use a constant for crossfilter threshold
Add ability to choose which dimensions are explored