Tab completion of many commands like info and trust now includes remotes

Especially useful with proxied remotes and clusters, where the user may not
be entirely familiar with the name and can learn by tab completion.

Command.hs

@@ -40,6 +40,10 @@ command name section desc paramdesc mkparser =
 withParams :: (CmdParams -> v) -> CmdParamsDesc -> Parser v
 withParams mkseek paramdesc = mkseek <$> cmdParams paramdesc
 
+withParams' :: (CmdParams -> v) -> Mod ArgumentFields String -> String -> Parser v
+withParams' mkseek completers paramdesc = mkseek
+	<$> cmdParamsWithCompleter paramdesc completers
+
 {- Uses the supplied option parser, which yields a deferred parse,
  - and calls finishParse on the result before passing it to the
  - CommandSeek constructor. -}