vagrant; issue #441: Improve main config including aws ubuntu lts dependency
Merge pull request #466 from dotcloud/441-vagrant-improve

* Packaging: simplify Vagrantfile
Specify a different bridge for tests than for regular runtime
vmware fusion provider config
get aufs dependencies into vmware image
don't fight the box kernel version, not worth it
Merge pull request #474 from brianm/vmware_fusion_provider

Support for VMWare Fusion Provider in Vagrantfile