Merge pull request #12115 from poettering/verbose-job-enqueue

add "systemctl --show-transaction start" as a more verbose "systemctl start" that shows enqueued jobs

diff --cc src/core/automount.c
Simple merge

diff --cc src/core/manager.c
Simple merge

diff --cc src/core/service.c
Simple merge

diff --cc src/core/timer.c
Simple merge