First draft of a Mirage block blog post
Add a note on speed testing.
Hook in the Mirage block devices blog post to main list.
Updates to the xen-block-devices-with-mirage post.
Make the example disk 1GiB rather than 1TiB (the latter is a bit too slow for mkfs)
Merge pull request #14 from djs55/add-xen-block-device-blog

Add xen block device blog