add xmldiff 0.1
typo in opium descr
Merge pull request #1744 from zoggy/master

add xmldiff 0.1
Merge pull request #1743 from mirage/master

cfstream 1.0.0 also depends on ocaml4+
Merge pull request #1745 from rgrinberg/fix_typo

typo in opium descr
ocp-manager version 0.1.2
Merge pull request #1747 from lefessan/ocp-manager.0.1.2

ocp-manager version 0.1.2