upgrade to opam2, require ocaml 4.04.2

Author: hannesm

.travis.yml

@@ -8,10 +8,9 @@ env:
     - PACKAGE="tlstunnel"
     - POST_INSTALL_HOOK="./.travis-test.sh"
   matrix:
-    - OCAML_VERSION=4.02
-    - OCAML_VERSION=4.03
     - OCAML_VERSION=4.04
     - OCAML_VERSION=4.05
     - OCAML_VERSION=4.06
+    - OCAML_VERSION=4.07
 notifications:
   email: false

opam

@@ -1,16 +1,12 @@
-opam-version: "1.2"
-name:         "tlstunnel"
-homepage:     "https://github.com/hannesm/tlstunnel"
-dev-repo:     "https://github.com/hannesm/tlstunnel.git"
-bug-reports:  "https://github.com/hannesm/tlstunnel/issues"
-author:       ["Hannes Mehnert <[email protected]>"]
-maintainer:   ["Hannes Mehnert <[email protected]>"]
-license:      "BSD2"
-
-build: [
-  ["ocaml" "pkg/pkg.ml" "build" "--pinned" "%{pinned}%"]
-]
+opam-version: "2.0"
+name: "tlstunnel"
+maintainer: "Hannes Mehnert <[email protected]>"
+authors: "Hannes Mehnert <[email protected]>"
+license: "BSD2"
+homepage: "https://github.com/hannesm/tlstunnel"
+bug-reports: "https://github.com/hannesm/tlstunnel/issues"
 depends: [
+  "ocaml" {>= "4.04.2"}
   "ocamlfind" {build}
   "ocamlbuild" {build}
   "topkg" {build}
@@ -22,3 +18,14 @@ depends: [
   "cmdliner"
   "fmt"
 ]
+build: ["ocaml" "pkg/pkg.ml" "build" "--pinned" "%{pinned}%"]
+dev-repo: "git+https://github.com/hannesm/tlstunnel.git"
+synopsis: "A TLS reverse proxy"
+description: """
+Who needs a stunnel if you have a tls tunnel?
+
+`tlstunnel` is picky; it won't accept connections:
+- which do not contain the [secure renegotiation](https://tools.ietf.org/html/rfc5746) extension
+- which speak SSL version 3
+- if the given certificate chain is not valid (or contains an X.509 version 1 certificate, or less than 1024 bits RSA public key
+"""