upgrade to latest MongoDB driver 2.12.0
Support for MultiLineString, MultiPolygon, MultiPoint and GeometryCollection from MongoDB 2.6
MongoDB: Support for GeometryCollection for MongoDB 2.6
fix for GPMONGODB-369
MongoDB: add generic way to define indices
MongoDB: Text search support. Fix for GPMONGODB-319
fix for GPMONGODB-305 "Implement projections for criteria queries like sum()"
fix for GPMONGODB-316 "sort functionality of Groovy does not work with MongoDB Plugin"
fix for GPMONGODB-99 "Support size related criteria (sizeGt, sizeLt etc.) on collections"
fix for GPMONGODB-100 "Support allEq on criteria"
fix for GPMONGODB-195 "Allow for hints with DetachedCriteria"
fix for GPMONGODB-317 "findBy... does not work with embedded documents"
Merge branch 'mongodb26'