GPMONGODB-371 Fixed issue where calling reverse would not return any results
Merge pull request #22 from danpolites/GPMONGODB-371

GPMONGODB-371 Fixed issue where calling reverse would not return any res...
fix for GPMONGODB-372 "MongoResultList iterator method causing bad state in MongoResultList"
fix for GPMONGODB-232 "save Enums as ordinals"
GRAILS-7093 - add support for specifying transaction properties with a Map arg to withTransaction

Some transaction handling tests which are not going to work for many nosql type stores are being moved to the hibernate and hibernate4 sub projects where they are relevant.
GRAILS-7093 - add withNewTransaction(Map, Closure)