[fix] don't use a deprecated method
Merge pull request #95 from wallner/registration_api_uses_current_api

[fix] don't use a deprecated method
[cleanup] clarifying error message produced by SchemaUnknownException
[cleanup] removed pointless test
[fix] typo
[fix] Replaced StringBuffer with StringBuilder
[fix] removed test already present somewhere else.
[enhancement] moved and enabled schema validation from aspect to validator.
[fix] cleaned up wrong indention
[cleanup] turned shared field into static constant
[fix] typo
[fix] Update test to reflect api changes
Merge pull request #96 from wallner/update_test

Update test
[enhancement] renamed InternalIdSkeleton to ResourceEntity
[enhancement] removed unnecessary update helper classes
[task] added updater controls
[enhancement] removed unnecessary tests update helper classes
[enhancement] removed provisioning type hierarchy and interfaces
[enhancement] renamed InternalIdSkeleton to ResourceEntity
[cleanup] organized imports