.travis.yml: Use xs-opam repo over deprecated opam-repo-dev

Signed-off-by: Frederico Mazzone <[email protected]>

Author: Frezzle

.travis.yml

@@ -3,4 +3,8 @@ install: wget https://raw.githubusercontent.com/ocaml/ocaml-travisci-skeleton/ma
 script: bash -ex .travis-opam.sh
 sudo: true
 env:
-        - OCAML_VERSION=4.02 PACKAGE=xapi-idl EXTRA_REMOTES=git://github.com/xapi-project/opam-repo-dev
+  global:
+    - PACKAGE=xapi-idl
+    - BASE_REMOTE=git://github.com/xapi-project/xs-opam
+  matrix:
+    - OCAML_VERSION=4.02