Fix display of target/store in system cards
Fix display of target/store in system cards

Now, the target plugin shows off properly, and the store plugin has been
replaced with the name of the storage system (which is often far more
useful, since most shops either go all-in on S3, or Scality, or WebDAV,
so knowing _which_ of those is in play is far more valuable).

starkandwayne/shield,starkandwayne/shield,starkandwayne/shield,starkandwayne/shield,starkandwayne/shield