removed js_warning class from graceful fail over message

Change-Id: I8760893accacc805b90c6b0b9000ebdf3dcd13c8
Reviewed-on: http://review.couchbase.org/40050
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
apply focus on setup button on welcom page

Change-Id: I4513450b4b9d45917c751c04908f091d476fb1ec
Reviewed-on: http://review.couchbase.org/39918
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>