Merge pull request #4 from talex5/master

Upgrade to libmini-os 0.3 and openlibm 0.4
Add release upload command
Merge pull request #5 from avsm/master

Add release scripts to upload to GitHub releases
Add MIME type to release upload
Fix the uploaded title
make sure release fetches the distfiles
Merge branch 'master' of github.com:mirage/mirage-xen-minios
Upgrade to libmini-os 0.4