job: Add lifecycle QMP commands

This adds QMP commands that control the transition between states of the
job lifecycle.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index d49c16c..4a0bc1e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1370,6 +1370,7 @@
 F: blockjob.c
 F: include/block/blockjob.h
 F: job.c
+F: job-qmp.c
 F: include/block/job.h
 F: block/backup.c
 F: block/commit.c