Metis for Oracle Code

added: repository-object to metiscore (instead of using connection directly)
added: close-button and label for result in CreateRepositoryForm
added: store connection parameters
added: CreateRepository method (of repository class)
changed: OpenAdminForm method (of repository class)
changed: extracted state transmission of athetication-states into a procedure
added: username/password properties to repository class
changed: refactored RepositoryCreator
added: scripts to create repository packages in RepositoryCreator
added: method to create packages in remote schemas in RepositoryCreator