Fixes for Nova Proposal on Ubuntu [1/1]

Two commits which do the following:

* Creating missing folders
  - /var/cache/nova/
  - /var/lib/nova/.ssh/

* Fix the ssh key creation whe not pulling from source.


 chef/cookbooks/nova/recipes/compute.rb |    2 +-
 chef/cookbooks/nova/recipes/config.rb  |   14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

Crowbar-Pull-ID: 09aebed47f0be36049d2759998afa2dbaee785c6

Crowbar-Release: roxy