+mirage.1.0.3
+mirage-www using latest mirage.1.0.3
mirage-www: install in --no-opam mode to avoid recursive invocation
mirage-www: more missing depends
mirage-www: restrict version to 4.00.0+
mirage-www: restrict all versions to ocaml4+
Merge pull request #1467 from mirage/master

+mirage.1.0.3