Added super class Localised for entities that have translations.
Renamed constant from YN_DISABLE to YN_FALSE.
More fixes for dbms removal.
Merge branch 'spring-data-jpa' of github.com:jesseeichar/core-geonetwork into spring-data-jpa

Conflicts:
	domain/src/main/java/org/fao/geonet/domain/Group.java
	domain/src/main/java/org/fao/geonet/domain/MetadataCategory.java
	domain/src/main/java/org/fao/geonet/domain/Operation.java
	domain/src/main/java/org/fao/geonet/domain/StatusValue.java