vmapp: add prevent_interfaces_booting() to distro.
vmapp: replace sed command with prevent_interfaces_booting().
vmapp,test: update centos to 6.4.
vmapp,test: add "mcd" type test.
vmapp,test: just update indent.
vmapp,wakame-init: prevent interfaces booting on "md" type.
Merge pull request #180 from axsh/feature-vmapp-network-configuration

Feature vmapp network configuration