Merge pull request #11 from vuntz/no-set_time

Remove set_time recipe, as it was implemented in the ntp barclamp.
Merge pull request #8 from vuntz/missing-options

Some fixes to nova.conf
Merge pull request #4 from vuntz/cleanup-cookbook

Remove a lot of useless code
Make cookbook work with nova attributes
Remove all non-cookbook files

We do not use a split role/proposal anymore for Hyper-V: this is now
part of the nova barclamp.

We obviously keep crowbar.yml so that this is still installable as a
barclamp.
Do not declare the barclamp as member of the openstack group

Otherwise, it appears in the list of barclamps.