HHVM-201: Manager::selectServer() should use mongoc_client_select_server()
HHVM-201: Manager::selectServer() should use mongoc_client_select_server()

jmikola/mongo-hhvm-driver-prototype,mongodb-labs/mongo-hhvm-driver-prototype,jmikola/mongo-hhvm-driver-prototype,jmikola/mongo-hhvm-driver-prototype,mongodb-labs/mongo-hhvm-driver,10gen-labs/mongo-hhvm-driver-prototype,10gen-labs/mongo-hhvm-driver-prototype,jmikola/mongo-hhvm-driver,mongodb/mongo-hhvm-driver,jmikola/mongo-hhvm-driver,jmikola/mongo-hhvm-driver,mongodb/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver-prototype,mongodb-labs/mongo-hhvm-driver,10gen-labs/mongo-hhvm-driver-prototype,mongodb/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver-prototype,mongodb-labs/mongo-hhvm-driver,mongodb-labs/mongo-hhvm-driver-prototype,mongodb-labs/mongo-hhvm-driver,jmikola/mongo-hhvm-driver-prototype,mongodb/mongo-hhvm-driver,jmikola/mongo-hhvm-driver,10gen-labs/mongo-hhvm-driver-prototype