With ensure_index, don't pass ruby-formatted opts to createIndex command
Don't test dropDups on server version > 2.7
Merge pull request #467 from estolfo/fix-extra-index-opts

With ensure_index, don't pass ruby-formatted opts to createIndex command
Support 2.7 in db#add_user and additional UNAUTHORIZED error code
Testing rake task and test unit helper updates for ensuring admin user
Functional test suite updates for narrow localhost exception
Authentication test fixes to work with narrowed localhost exception
Temporarily disable replica set and sharded cluster tests
Logic mistake
Try 10 times to connect to mongod to set up admin user
Merging fixes to dropDups tests, use correct version variable