Merge remote-tracking branch 'upstream/who-broke-builds' into upstream-master

Include information about who changed the build status in notification
emails, and enable optional per-input notification of said committers.

Conflicts due to two branches modifying the database schema.

Signed-off-by: Shea Levy <shea@shealevy.com>

Conflicts:
	src/lib/Hydra/Schema/Jobsets.pm
	src/sql/upgrade-23.sql

src/script/hydra-evaluator

@@ -34,7 +34,7 @@ sub fetchInputs {
     foreach my $input ($jobset->jobsetinputs->all) {
         foreach my $alt ($input->jobsetinputalts->all) {
             push @{$$inputInfo{$input->name}}, $_
-                foreach fetchInput($plugins, $db, $project, $jobset, $input->name, $input->type, $alt->value);
+                foreach fetchInput($plugins, $db, $project, $jobset, $input->name, $input->type, $alt->value, $input->emailresponsible);
         }
     }
 }