Increase DEA next timeout from 25s to 40s.

Also place a higher timeout on the monit stop script. This ensures
a graceful shutdown of DEA next and also ensures that
BOSH health_monitor does not timeout on the stop script.

Change-Id: If2797cb3804d8a299fb42f25cd51f5190db75bc1
Merge "Increase DEA next timeout from 25s to 40s."