restrict ocapic to ocaml <4.02.0 due to warnings-as-errors
ppx_deriving.1.1 - via opam-publish
ppx_deriving_yojson.2.1 - via opam-publish
tls 0.3.0 and friends
Merge pull request #3258 from avsm/ocapic-wae

restrict ocapic to ocaml <4.02.0 due to warnings-as-errors
Merge pull request #3263 from whitequark/opam-publish/ppx_deriving.1.1

ppx_deriving.1.1 - via opam-publish
Merge pull request #3264 from whitequark/opam-publish/ppx_deriving_yojson.2.1

ppx_deriving_yojson.2.1 - via opam-publish
+lbfgs 0.8.6
Merge pull request #3266 from Chris00/master

+lbfgs 0.8.6
fix opam version
Merge pull request #3265 from pqwy/tls-0.3.0-etc

tls 0.3.0 and friends
add type_conv as dependency, and tls-0.2.0 requires nocrypto<0.3.0
actually x509-0.2.1 works fine with nocrypto-0.2.0
be more precise about the pieces of mirage we need (thanks @avsm)
Merge pull request #3267 from hannesm/fix-tls-versions-constraints

add type_conv as dependency, and tls-0.2.0 requires nocrypto<0.3.0