* changed name for TaggedResourceType enum to ResourceObjectType as this enum is used both by ResourceMetaData and ResourceTags code
* enhanced the enum with extra fields resourceTagsSupport (boolean) and metadataSupport identifying if the resource supports tags and/or metadata.
* cleanup unused @Inject objects from the ResourceMetaDataManager
Entities correlated to the Identity and carry a uuid and those
correlated to InternalIdentity carry an id. Those entities that carry
both will correlated to Identity and InternalIdentity.
This refactors entities wherever possible to ensure the VO only
implements the first class entity.
Signed-off-by: Prasanna Santhanam <tsp@apache.org>