This is directory for qrexec service additional configuration. Configuration
file needs to be named exactly as service. Configuration format is 'key=value'
(without spaces around '='). Lines starting with '#' are ignored.

Supported settings:

* wait-for-session - wait for full GUI session initialization before starting
  the service. This is done using /etc/qubes-rpc/qubes.WaitForSession script.
  There is no timeout - if the session is never initialized
  (for example because there is no GUI running at all), service will never be
  started.
  Allowed values are 0 or 1.