Fix broken links to Qt P&S and QtSystemInfo.
Fix broken links to Qt P&S and QtSystemInfo.

In addition sort the modules by alphabet.

Change-Id: Id46ad02a939dd3d23181b95f170e82fa2cf9780d
Sanity-Review: Qt Sanity Bot <5581206bb7e0307f0d99eb71898ae6b694149ca5@ovi.com>
Reviewed-by: Andy Cox <7edcd069064b21693efc54e0db7b417b05ce3ad4@nokia.com>
Reviewed-by: Alex <3f9b327efd0f2b2e684d51660e829d1496ae5581@nokia.com>

kobolabs/qtdoc,kobolabs/qtdoc,kobolabs/qtdoc,kobolabs/qtdoc