Experimental implementation of MongoMapStore
Cluster MapStore configuration
   * there is some duplication in configuration of mongo-storage and mapstore ...
Fixes hazelcast.xml
   * removes unnecessary map configuration
implemented failure policy in MongoMapStore
implemented failure policy in MongoMapStore
Cosmetic changes  (docs, formatting) related mongodb-mapstore
Named task context descriptors transfered from mongo persistence to Hazelcast MapStore persistence
Merge remote-tracking branch 'origin/mongodb-mapstore' into mongodb-mapstore
Named task context descriptors transfered from mongo persistence to Hazelcast MapStore persistence
Merge remote-tracking branch 'origin/mongodb-mapstore'
Fixes loading of Named descriptors from MapSore, merge foobars