Help message for 'retriever update' when no scripts are available.
Help message for 'retriever update' when no scripts are available.

henrykironde/deletedret,bendmorris/retriever,bendmorris/retriever,embaldridge/retriever,goelakash/retriever,henrykironde/deletedret,davharris/retriever,embaldridge/retriever,bendmorris/retriever,davharris/retriever,davharris/retriever,embaldridge/retriever,goelakash/retriever