Point to repo man python API close ga4gh#1185

Author: david4096

docs/configuration.rst

@@ -21,7 +21,9 @@ to the administrator.
 The repository manager provides an administration interface to the the data
 repository. It can be accessed via ``ga4gh_repo`` (or ``python repo_dev.py`` if
 developing). The ``ga4gh_repo`` commands provides a suite of commands to
-help administer a GA4GH data repository.
+help administer a GA4GH data repository. If you would like to set metadata 
+not available by the CLI, you may use the Python API directly as in 
+`scripts/prepare_compliance_data.py`.
 
 +++++++
 init