Handle the case where a jobset has never been evaluated

Dependencies

• [2] OVR2RWBI hydra-evaluator: Always pick the jobset that hasn't been evaluated longest
• [3] X27GNHDV * Basic job info in the database.
• [4] WQXF2T3D hydra-evaluator: Don't require $HYDRA_CONFIG
• [5] 5GRJZZOR
• [*] N22GPKYT * Put info about logs / build products in the DB.

Change contents

• replacement in src/script/hydra-evaluator at line 231
  [2.298]→[2.298:372](∅→∅)
  − " (last checked ", time() - $jobset->lastcheckedtime, "s ago)\n";
  [2.298]

  [3.1451]
  + $jobset->lastcheckedtime

  + ? " (last checked " . (time() - $jobset->lastcheckedtime) . "s ago)\n"

  + : " (never checked)\n";
• replacement in src/script/hydra-evaluator at line 253
  [2.553]→[2.553:744](∅→∅)
  − { 'project.enabled' => 1, 'me.enabled' => 1, 'lastcheckedtime' => { '<', time() - $minCheckInterval } },

  − { join => 'project', order_by => [ 'lastcheckedtime' ], rows => 1 });
  [2.553]

  [2.744]
  + { 'project.enabled' => 1, 'me.enabled' => 1

  + , -or => [ 'lastcheckedtime' => undef, 'lastcheckedtime' => { '<', time() - $minCheckInterval } ] },

  + { join => 'project', order_by => [ 'lastcheckedtime nulls first' ], rows => 1 });