CBQE-2536 add support install cb server for
ubuntu 14.04 on ubuntu 14.04 server

Change-Id: Ib43ff2cbb69b1ed6ba9848142131ff612b392e45
Reviewed-on: http://review.couchbase.org/44790
Reviewed-by: Thuan Nguyen <soccon@gmail.com>
Tested-by: Thuan Nguyen <soccon@gmail.com>