Hydra/17: in queue runner, prefer builds in the queue that are a dependency of another build (with higher priority)

Dependencies

• [2] OV7F5M3E Merge branch 'queue-17'
• [3] DQD7JMSU * Fix the terminology.
• [4] 7YBYT2LQ

Change contents

• replacement in src/script/hydra_queue_runner.pl at line 57
  [2.163]→[2.163:168](∅→∅)
  −
  [2.163]

  [2.168]
  +

  + my $depBuild;
• replacement in src/script/hydra_queue_runner.pl at line 61
  [2.232]→[2.232:295](∅→∅)
  − (my $depBuild) = $db->resultset('Builds')->search(
  [2.232]

  [2.295]
  + ($depBuild) = $db->resultset('Builds')->search(
• replacement in src/script/hydra_queue_runner.pl at line 67
  [2.534]→[2.534:565](∅→∅)
  − return $build ;
  [2.534]

  [2.565]
  + return $depBuild;
• replacement in src/script/hydra_queue_runner.pl at line 109
  [3.728]→[2.582:644](∅→∅)
  − $build = findBuildDependencyInQueue($build);
  [3.728]

  [2.644]
  + my $depbuild = findBuildDependencyInQueue($build);

  + if(defined $depbuild) {

  + $build = $depbuild;

  + }