Beginning with MongoDB 3.0, package repositories under this URL will no longer
recieve new packages. New repositories for supported OS and OS versions are
available under http://repo.mongodb.org/

For more information on MongoDB installation in Linux, including repository
setup, see http://docs.mongodb.org/manual/administration/install-on-linux/

For more information on 3.0, see the following pages:
http://docs.mongodb.org/manual/release-notes/3.0/
http://docs.mongodb.org/manual/release-notes/3.0-compatibility/
http://docs.mongodb.org/manual/release-notes/3.0-upgrade/