add vim files to gitignore
enable neutron on compute.pp
update post-puppet-apply.sh and validate-cloud.sh with neutron commands
try vxlan instead of vlan first
neutron on compute node too
try vif plugging hack

not really sure if this is the part which causes problems
make neutron tenant id setter work

only one line uncommented here. to make it work fully, we need to pull
two patches from upstream puppet-neutron and apply to stable icehouse,
as kept at rushiagr remote
modules folder to be mounted at /etc/puppet now
add compute node to vagrantfile