Merge pull request #29 from pronix/master

ruby version restriction
Don't force username to root, rely on config.ssh.username
Merge pull request #31 from domcleal/ssh-user

Don't force username to root, rely on config.ssh.username
Fix NFS network discovery
Merge pull request #33 from domcleal/nfs-network

Fix NFS network discovery
* Image upload buffer length reduced.
* Error handling fixed to correspond to correct translation.
Updated Vagrantfile in example box.
v0.0.6

* Routed networks support.
* SSH configurable params in Vagrantfile.
* Updated README file.
fix namespace Libvirt collision with ruby-libvirt library
Increment version to refrect fix
Merge pull request #41 from miurahr/fix_namespace_collision

fix #40 namespace Libvirt collision with ruby-libvirt library
fix for  Hiroshi Miura <miurahr@linux.com> patch