Move mysql metadata repositories to meta package.
Create MetaDataRepositories.
Move metadata functionality from MysqlCollection to MysqlMetaDataRepositories.
Introduce getTableName to allow package name to be included in table name.
Move metadata SQL statements from MysqlRepositoryCollection and
MysqlMetaDataRepositories to MysqlRepository.
Minor logging improvements.
delete using fully qualified entity name, rather than entity metadata
Hide implementation details of MysqlRepositoriesCollection behind the interface.
test method no longer in use
Decorate MetaDataRepositories with the indexing decorator.
Rename MetaDataRepositories -> WritableMetaDataService.
Merge pull request #1999 from fdlk/feature/mysql-meta

Separate metadata repositories from MysqlRepositoryCollection