Replaced blkid implementation with /dev/disk/by-uuid
Replaced blkid implementation with /dev/disk/by-uuid

Change-Id: I36cf3b879fec949e79d418dfa75c6416c55bb74a
Reviewed-on: http://codereview.qt.nokia.com/3277
Reviewed-by: Qt Sanity Bot <5581206bb7e0307f0d99eb71898ae6b694149ca5@ovi.com>
Reviewed-by: Xizhi Zhu <6095b3dbb866d5a6b4a607e0cbd4aaa65e13c0b2@nokia.com>

qtproject/qtsystems,qtproject/qtsystems