Add Ubuntu depext for ocamlsdl.
Add OS X depexts for ocamlsdl.
+ppx_deriving.0.3
Merge pull request #2605 from yallop/ocamlsdl-ubuntu-depexts

Add Ubuntu depext for ocamlsdl.
Sync latest compiler pull requests
Merge pull request #2611 from bactrian/sync-prs-1409785201

Sync OCaml compiler PRs
Sync latest compiler pull requests
Merge pull request #2615 from bactrian/sync-prs-1409871601

Sync OCaml compiler PRs
A new version of acgtk has been released

 Changes to be committed:
	new file:   packages/acgtk/acgtk.1.1/descr
	new file:   packages/acgtk/acgtk.1.1/opam
	new file:   packages/acgtk/acgtk.1.1/url
lablgtk.2.14.2-oasis8 depends on camlp4
Added the dependency to the ANSITerminal package
Changes to be committed:
	modified:   packages/acgtk/acgtk.1.1/opam
	modified:   packages/acgtk/acgtk.1.1/url
Sync latest compiler pull requests
Constrain atdgen to OCaml versions below 4.02.0.
Merge pull request #2619 from bactrian/sync-prs-1409958001

Sync OCaml compiler PRs
Merge pull request #2620 from yallop/atdgen-version-constraint

Constrain atdgen to OCaml versions below 4.02.0.
Merge pull request #2618 from hhugo/patch-1

lablgtk.2.14.2-oasis8 depends on camlp4
Merge pull request #2617 from Nyavlys/master

A new version of acgtk has been released
Merge pull request #2610 from whitequark/master

+ppx_deriving.0.3
Merge pull request #2609 from avsm/master

constrain mirage-xen to <OCaml 4.02.0
pfff depends on camlp4