[FIXED HUDSON-6649] doQuietDown was sychronized, so safeRestart (calling doQuietDown in blocking mode since 1.361) was locking Hudson object until all jobs complete! Now synchronize just to set isQuietingDown flag, but not while blocking.
[FIXED HUDSON-6649] doQuietDown was sychronized, so safeRestart (calling doQuietDown
in blocking mode since 1.361) was locking Hudson object until all jobs complete!
Now synchronize just to set isQuietingDown flag, but not while blocking.


git-svn-id: 28f34f9aa52bc55a5ddd5be9e183c5cccadc6ee4@32805 71c3de6d-444a-0410-be80-ed276b4c234a

stefanbrausch/hudson-main,stefanbrausch/hudson-main,stefanbrausch/hudson-main,stefanbrausch/hudson-main,stefanbrausch/hudson-main,stefanbrausch/hudson-main,stefanbrausch/hudson-main