Action triggers:

Transfer cert files flag:
asceds@<certmanager>:~asceds/<hostname>/.newcerts
* signals when new cert files are copied from /etc/letsencrypt/live/<hostname>/
  into ~asceds/<hostname>/ for managed clients.
* created by: asceds-propagate-certbot, asceds-certbot-gencert.
* deleted by: asceds-send-cert if the transfer was successful.
* used by: asceds-propagate-certbot to send certificates to clients;
           asceds-web-propagate: to decide if a new certificate is generated;
               it allows the web interface to propagate automatic renewals or
               to generate and propagate new certificates for managed clients. 

Reconfigure service flag:
asceds@<client>:~asceds/.asceds-reconf
* signals when new cert files were copied successfully from <certmanager>
  and the services need to be reconfigured with the new certificates.
* created by: asceds-send-cert if the transfer was successful.
* deleted by: asceds-init, asceds-service-reconfig with no -s option.
* used by: asceds-service-reconfig to reconfigure services.

New site config file flag:
asceds@<certmanager>:~asceds/<hostname>/.newsiteconf
* signals when the site config file ${ASCEDSETCDIR}/asceds-site.conf
  was reconfigured and ready to be pushed to managed clients.
* created by: asceds-update-siteconfig -s 
              asceds-certmanager-setup (indirectly)
              asceds-propagate-certbot
              asceds-certbot-gencert
* deleted by: asceds-send-cert if the transfer was successful.
* used by: asceds-propagate-certbot to send site config files to clients;
           asceds-web-propagate when/if sending new cert files.

Update site config file flag:
asceds@<client>:~asceds/.site-reconf
* signals when a new site config file was pushed by the certificate manager,
  parse it, and refresh the client ${ASCEDSETCDIR}/asceds-site.conf
* created by: asceds-send-cert if the client was reachable.
* deleted by: asceds-service-reconfig
* used by: asceds-service-reconfig to update the site config file on clients.

