add mapping logic
Merge branch 'master' of
https://github.com/Gigaspaces/mongo-datasource.git

Conflicts:
	src/main/java/com/gigaspaces/persistency/MongoClientPool.java
	src/main/java/com/gigaspaces/persistency/metadata/CollectionMetadata.java
	src/main/java/com/gigaspaces/persistency/metadata/DefaultMongoToPojoMapper.java
	src/main/java/com/gigaspaces/persistency/metadata/DefaultPojoToMongoMapper.java
	src/main/java/com/gigaspaces/persistency/metadata/MongoMetadataInspector.java
	src/main/java/com/gigaspaces/persistency/metadata/PropertyMetadata.java
	src/main/java/com/gigaspaces/persistency/metadata/SetterMehtod.java