Add mirage-tc 0.2.1
Make camlp4 a depopt of sexplib
Merge pull request #3195 from samoht/tc

Add mirage-tc 0.2.1
Sync latest compiler pull requests
Merge pull request #3197 from samoht/bin_prot

Camlp4 is not a hard dependency of bin_prot nor sexplib
Merge pull request #3198 from bactrian/sync-prs-1418601601

Sync OCaml compiler PRs
ppx_include.1.0 - via opam-publish
opam-query.1.2 - via opam-publish
Merge pull request #3199 from whitequark/opam-publish/ppx_include.1.0

ppx_include.1.0 - via opam-publish
Merge pull request #3200 from whitequark/opam-publish/opam-query.1.2

opam-query.1.2 - via opam-publish
Type_conv is a hard dependency of cstruct