Add hostlist

Change-Id: I2909bdb21da6404e2d285c5ef2fc52ea3f06066e
Reviewed-on: http://review.couchbase.org/31391
Reviewed-by: Brett Lawson <brett19@gmail.com>
Tested-by: Mark Nunberg <mnunberg@haskalah.org>
Use host_s instead of s_host which is #defined on win32

Change-Id: I29ae09f714f0f085acc082a4753ad1b796d6295a
Reviewed-on: http://review.couchbase.org/31699
Reviewed-by: Mark Nunberg <mnunberg@haskalah.org>
Tested-by: Mark Nunberg <mnunberg@haskalah.org>