d8a6309893
This adds some text to the documentation about configuring the import mechanism, including details about shared vs. local staging directories. It also clarifies that *all* import methods require the staging directory to be configured, as well as cleans up some single-store-specific wording in this area. Related to blueprint distributed-image-import Change-Id: I726abe5d1104510e8da0e94f90f2b36d43b82cbe