Latest version of SMP server is 5.2.1

lint agent api to reconnect all servers (#792) add crypto error to RSYNC event (#794) agent: catch IO errors correctly in MonadError (#795) test with catchError/tryError fix allFinally db error busy treatments (#796) increase TCP timeout for clients (#797) server: disable transport timeout (#793) resubscribe in batches in Client.Agent (#798) 5.2.1 (ntf 1.5.1, xftp 1.0.1) (#799)