Fix compilation of bin_prot under 32-bit ARM

This is the minimal diff to avoid changing the released code on
non-ARM.  See janestreet/bin_prot#4 where the upstream fix is
being discussed.
Merge pull request #1615 from mirage/fix-bin-prot-arm

Fix compilation of bin_prot under 32-bit ARM
Merge pull request #1615 from mirage/fix-bin-prot-arm

Fix compilation of bin_prot under 32-bit ARM
mustache templates in ocaml v 0.0.1
added virtual package "conf-sdl-net" for the C lib SDL_net 1.2
Merge pull request #1617 from rgrinberg/master

mustache templates in ocaml v 0.0.1
Move inotify from bitbucket to github.
put datalog doc in a proper subdir
added ubuntu dep
New checksum.
Merge pull request #1621 from seanmcl/inotify

Move inotify to github.
add camltc.0.8.2
+ipaddr.2.2.0
Merge pull request #1618 from blue-prawn/master

added virtual package "conf-sdl-net" for the C lib SDL_net 1.2
Merge pull request #1622 from c-cube/master

put datalog doc in a proper subdir
Merge pull request #1624 from Incubaid/camltc-0.8.2

add camltc.0.8.2
Merge pull request #1625 from dsheets/master

+ipaddr.2.2.0
Merge branch 'master' of github.com:OCamlPro/opam-repository into mirage-1.1.0
depend on latest ipaddr