correct transform of annotation with URI
correct transform of annotation with URI

- tranform_uri was returning array in error due to return of
  URI_PATTERNS.each...this was fixed to either return an annotation or
  nil
- try tranform_uri, otherwise transform by name/value if available

OpenBEL/openbel-server,OpenBEL/openbel-api,OpenBEL/openbel-api,OpenBEL/openbel-api,nbargnesi/openbel-server,OpenBEL/openbel-server,OpenBEL/openbel-server,nbargnesi/openbel-server,nbargnesi/openbel-server,OpenBEL/openbel-api