Add analysis view
Add saved analyses view
Add analysis saving
Add analyses removal view
Add detail view page
Add ratings handling
Allow save as and copy

Save as is used when you have modified an existing analysis
(analytics/<id>/view) and you want to create a new analysis with the new
state instead of overriding the old one.

Copy is used to populate a new (analytics/new) analysis' state with the
state of another analysis.
Fix fact selector style to match new bootstrap
Add the analytics tab
Add tests file
Edit metadata functionnality.