"Evaluate" command: push the jobset to the front of the eval queue

Don't let hydra-server call hydra-evaluate.  That will probably just
timeout, get killed, etc.

src/lib/Hydra/Helper/CatalystUtils.pm

@@ -1,5 +1,6 @@
 package Hydra::Helper::CatalystUtils;
 
+use utf8;
 use strict;
 use Exporter;
 use Readonly;