Allow full class path imports with new config arg.
Allow full class path imports with new config arg.

ShaneHarvey/mongo-connector,sailthru/mongo-connector,agolo/mongo-connector,10gen-labs/mongo-connector,mongodb-labs/mongo-connector,ShaneHarvey/mongo-connector,agolo/mongo-connector,sailthru/mongo-connector,10gen-labs/mongo-connector,mongodb-labs/mongo-connector