Add a new barChart to the interface. Some bugs are present.
Modifications on Display.js for the BarChart diagram. Now is working.
Add GeoMondrian installation doc link in the README
Play data on a chart's dimension
Display a play button for the play chart functionnality
Recompute color domains when reseting the filters

Fixes #6.
Play data on the current level
Add tips and drill indicator on the wordclouds
Add play button on the wordclouds
Add ability to aggregate dimensions

This makes possible to aggregate a dimension using its word-cloud. It
removes charts about this dimension and sets a placeholder.
Lint Display
Add documentation on sort feature.
Fix drilling on a chart after updating its dimension
Merge branch 'develop'

Conflicts:
	analytics/static/analytics/js/Display.js
	analytics/templates/analytics/analysis_view.html
Update dc.js (fix map pan)
Left align for the text in the tooltips
Ask for login when trying to save an analysis logged out
Show dimension and mesure caption in chart tooltips
Reduce font size in legends
Add title to chart