STANBOL-1214: added the freebase entity ranking file provided by Viktor Gal. Also updated the documentation to link to this file. I kept the old script (as google might switch back to the old dump format) and use fbrankings-uri.sh as name for the new one.

git-svn-id: https://svn.apache.org/repos/asf/stanbol/trunk@1544151 13f79535-47bb-0310-9956-ffa450edef68