CBLT-323:  testing revealed many network collisions.  Changed startup
delay to 30-60 seconds (from 3-12).  The +30 is for shells that don't
have a sleep function.

Change-Id: I13df95b9ea9b132046b3299f67cef922fc632e60
Reviewed-on: http://review.couchbase.org/39249
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>