xen block blog: s/xen/Xen/g
xen block blog: s/exokernel/unikernel/g
xen block blog: apparently my usage of opam shows my age
xen block blog: use `xen-disk` (with backticks)
xen block blog: link to mirage about page, since the mailing list may move soon.
xen block blog: another tweak
Merge pull request #17 from djs55/add-xen-block-device-blog

Add xen block device blog