Rename `service_catalog` dirs to `packages`.

Only one file change (dashboard.py), renaming files en masse in a
separate commit should make subsequent commits a bit cleaner.

Also temporarily disable getting data from apiary (it is broken now).

Change-Id: I9b8fd02a898e9bc9f9383652f793b99c6bc3778f
Partially-implements: blueprint service-defitions-migrate-to-apps-ui
Merge "Rename `service_catalog` dirs to `packages`."