Merge pull request #24 from mor1/master

Updating skeleton
update README
Make a couple of configuration options specific to Unix, to avoid Xen build failures
Merge branch 'master' of github.com:mirage/mirage-skeleton
sync console example with wiki
Add a block test
travis: use the right branch for mirage 1.1
Merge pull request #25 from avsm/master

Add block test
use a more portable disk image generation call
note the disk vbd config in the README
Add KV_RO example
Merge branch 'master' of github.com:mirage/mirage-skeleton
update gitignore
rename kv_ro to kv_ro_crunch
Add a more complex kv_ro configuration example
Remove mirage-clock-unix from ping test
Merge branch 'master' of github.com:avsm/mirage-skeleton
Merge pull request #26 from avsm/master

Add KV_RO examples