api.freebase.com is deprecated

[abrisse]

Source : http://wiki.freebase.com/wiki/Freebase_API :

The old Freebase APIs hosted at api.freebase.com have been deprecated
If you are still using those APIs, please migrate to the new googleapis.com APIs described here before October 20, 2012.

Looks like the gem needs again a URI change :)