OGM-481 Avoiding several list/array conversions; Getting rid of some members in MongoDBAssociationSnapshot; Allocating collections with correct size
OGM-481 Adapting test assertions to not distinguish between embedded associations and embedded element collections
OGM-481 For associations and embedded collections in MongoDB only store the column name if there is more than on column
OGM-481 Making AssociationKeyMetadata immutable
OGM-481 For associations and embedded collections in CouchDB only store the column name if there is more than on column
OGM-481 Consolidating association handling for MongoDB and CouchDB
OGM-481 Doc improvements; Avoiding map instantation during row key creation
OGM-481 Adding examples on association format in reference guide
OGM-481 Incorporating review remarks