This requires more work before continue.

See merge request nexedi/slapos.core!245

When test machine is busy it happens that running a simple promise takes more
than one second and this cause some test to error with "Promise timed out after
1 seconds" in cases where the promise is not supposed to have a timeout, it's
just that sometimes it takes more than the default timeout of 1 second.

   Cover the the update the update of allocation_scope
   Cover the Computer Network set Reference
   Cover the bootstrap of Project
   Cover setRole on Organisation

Helper function to return the configuration used by a promise plugin.

Helper class to check crontabs in software release tests

    This makes a direct edit w/o introspect previous value.

   We don't need to generate password everywhere

   It were using unexisting values

     This makes it available on renderjs_runner UI

   This prevents portal_ids be duplicated.

    This also changes the raise for a more appropriated Exception

  This fixes up most of inconsistencies related to pylint runs in
  order to clean up and make test pass (mostly)