qnd: Test
Revert "qnd: Test"

This reverts commit 4d326776f54f6ce5fb319cd46f364afdf71669bf.
qnd: In case old jobs are still running once the batch server is up -
let them continue running. In addition - when keepAlive is avialable -
don't kill running workers
Merge branch 'master' of https://github.com/kaltura/server-batch