Changes to haddock(2)

Changes to haddock:
commit d6cf6f9c75e08ce1760c2dbdee81775ba97a5f0c
Author: Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk>
Date:   Mon Mar 31 18:29:04 2014 +0100

    Drop leading whitespace in @-style blocks.

    Fixes #201.

commit 8c64228d1b5d63714697a3df1a89e0d6dfc9b095
Author: Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk>
Date:   Mon Mar 31 16:53:25 2014 +0100

    Add default for new PlatformConstraints field