Updated Lacaml
Merge pull request #2142 from mmottl/master

Updated Lacaml
Merge pull request #2141 from chambart/bytes

ocplib-endian 0.6 (compatible with -safe-string) and bytes 1.1
Sync latest compiler pull requests
constrain websocket to ocplib-endian 0.4

will provide a proper fix to websocket next week.
Merge pull request #2144 from andrewray/websocket-temp-fix

constrain websocket to ocplib-endian 0.4
Merge pull request #2143 from bactrian/sync-prs-1400886001

Sync OCaml compiler PRs
ocamlviz: add depext on autoconf
Merge pull request #2145 from avsm/ocamlviz-depext

ocamlviz: add depext on autoconf
humane-re 0.0.3
add ounit to deps humane_re
planck: fix uninstall
spotlib: fix uninstall
Merge pull request #2146 from rgrinberg/master

humane-re 0.0.3
Merge pull request #2149 from camlunity/master

do not use oasis uninstall - it partially fails because setup.data is missing
cconv 0.1 (combinators for serialization)
cconv requires ocaml 4
Merge pull request #2151 from c-cube/master

cconv 0.1 (combinators for serialization)
Add lwt-binio 0.2.0 and 0.2.1.  Update 0.1.0's dependencies.
Merge pull request #2148 from hcarty/lwt-binio-0.2.0

Add lwt-binio 0.2.0