shadownaemon: added more columns to cache

add some more columns to cached configuration.

Signed-off-by: Sven Nierlein <sven@nierlein.de>
shadownaemon: read of size 0 mean eof

or at least an error, so break and do the error handling. This avoids
running in endless loops when the connection breaks right in the middle
of the transfer.

Signed-off-by: Sven Nierlein <sven@nierlein.de>
shadownaemon: added missing comma

which breaks the livestatus query otherwise

Signed-off-by: Sven Nierlein <sven@nierlein.de>