Update ocamlnet to version 3.7.3

Also remove dependency to lablgkt which is not used and prevent
building on darwin.
nixos: add BitTorrent Sync service module

Signed-off-by: Austin Seipp <aseipp@pobox.com>
ssdeep: version 2.10

Signed-off-by: Austin Seipp <aseipp@pobox.com>
scrypt: adopt package

Signed-off-by: Austin Seipp <aseipp@pobox.com>
criu: only supported on 64-bit

Signed-off-by: Austin Seipp <aseipp@pobox.com>
duo-unix: correctly set openssl directory

Signed-off-by: Austin Seipp <aseipp@pobox.com>
criu: attempt to fix doc building on Hydra

Signed-off-by: Austin Seipp <aseipp@pobox.com>
duo_unix: disable lib64 directories

Signed-off-by: Austin Seipp <aseipp@pobox.com>
Merge branch 'update-ocamlnet' of git://github.com/maggesi/nixpkgs

Update ocamlnet to version 3.7.3
Merge branch 'btsync' of git://github.com/thoughtpolice/nixpkgs

add BitTorrent Sync service module
Merge branch 'fixups' of git://github.com/thoughtpolice/nixpkgs

Fixups for several of my packages

[ Shea: Includes fixes for criu and duo-unix ]
Merge branch 'ssdeep' of git://github.com/thoughtpolice/nixpkgs

ssdeep: version 2.10