Arvados

16108-favorites

Update API documentation to describe "star" links (favorites) and public favorites.

Tweak wb1 and wb2 query for favorites to filter by owner_uuid instead of by tail_uuid.

workbench2 branch 48be4482ec29aa092c250d77862d8dbd77e70f1b

developer-tests-workbench2: #8

arvados branch 4e450b7c2ec9563dd6d670238d096d1bc9fd158f

developer-run-tests: #1712

Both branches LGTM, just one comment:

On the documentation, example cluster's id could be written to ‘zzzzz’ to maintain consistency with other parts of the docs. (there're other real cluster id examples, but at least we can incrementally enhance consistency on this story)