sync build scripts with ocaml-build-skeleton
remove lwt.unix as this breaks xen (and is not needed explicitly for unix)
remove arch-specific code
port to work with avsm/ocaml-cohttp@cbe65eca1651dc56e931502566b67adb315d382b API
port to OASIS (Xen build broken currently)
restore Xen support, autodetected via MIRAGE_OS env var.

This oasis is regenerated by my avsm/oasis@f73844218604b0f0a795bffd2372416973f8996e in the add-xen branch (which puts in the special build rules for linking kernel executables)
tweak dependencies and make sure unix/xen are not simultaneously active
remove unused mir files
Create and hook in the xenstored stub domain entry.
Merge pull request #3 from djs55/djs-blog

Create and hook in the xenstored stub domain entry.
edits to dave's blog post
update install for opam-0.6
[blog/xenstore-stub.md] fixing <tt> tags
Merge pull request #4 from raphael-proust/master

Fixing the <tt> tags in the xenstore blog post
install fixes
add OPAM blog entry
typos
typo
Code tab points to mirage github org page

Signed-off-by: Mike McClurg <mike.mcclurg@citrix.com>
Merge pull request #5 from mcclurmc/avsm-to-mirage-org

Code tab points to mirage github org page