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
Fix charts.map
Fix charts.table
Fix and update charts.wordcloudsWithLegend
Update CSS for new functionnalities
Add total in charts title & reorganize title
Add CSS style for title
Update / add dependancies
Update fixtures to add a 2nd cube
data.dimension allows you to choose a color scale
Add possibility to customize the color scale of a dimension
Update HTML / CSS for color scales
Add elastic radius to charts.bubble
Play on selected members
Add charts reorganization possibility

* Improve chart resizing
* Delete a chart
* Add a chart
* Move a chart
Fix updateChart when an error occurs
Update web demo for chart reorganization
Add confirmation when chaging cube