+mirage-unix.2.1.1
+mirage-xen.2.1.1
+mirage-net-xen.1.2.0
Merge pull request #3219 from mirage/mirage-platform.2.1.1

Mirage platform.2.1.1
Merge pull request #3220 from mirage/mirage-net-xen.1.2.0

+mirage-net-xen.1.2.0
+mirage-xen-minios.0.5.0
+xen-gnt.2.1.0
Merge pull request #3221 from mirage/mirage-xen-minios.0.5

+mirage-xen-minios.0.5.0
Merge pull request #3222 from mirage/xen-gnt.2.1.0

+xen-gnt.2.1.0
core 112.06.00
ezjsonm.0.4.0 - via opam-publish
ezjsonm: constraint the reverse deps to earlier version
Merge pull request #3224 from samoht/opam-publish/ezjsonm.0.4.0

ezjsonm.0.4.0 - via opam-publish
Remove old ctypes versions, leaving only the latest in each series.
mirage-tc.0.3.0 - via opam-publish
Merge pull request #3226 from samoht/opam-publish/mirage-tc.0.3.0

mirage-tc.0.3.0 - via opam-publish
Merge pull request #3225 from yallop/purge-old-ctypes-versions

Remove old ctypes versions, leaving only the latest in each series.
Another portability fix (OS X Yosemite) for Sundials/ML.
Sync latest compiler pull requests
Merge pull request #3228 from bactrian/sync-prs-1418919347

Sync OCaml compiler PRs