Added code to wait for the threads spawned by DbManager to finish before stopping the service, preventing harmless but ugly exceptions.
Added code to wait for the threads spawned by DbManager to finish before stopping the service, preventing harmless but ugly exceptions.


git-svn-id: 293778eaa97c8c94097d610b1bd5133a8f478f36@36549 4f837ed2-42f5-46e7-a7a5-fa17313484d4

edina/lockss-daemon,edina/lockss-daemon,lockss/lockss-daemon,lockss/lockss-daemon,lockss/lockss-daemon,lockss/lockss-daemon,edina/lockss-daemon,edina/lockss-daemon,lockss/lockss-daemon,edina/lockss-daemon,edina/lockss-daemon,lockss/lockss-daemon,lockss/lockss-daemon,edina/lockss-daemon