Merge pull request #9 from hkumarmk/contrail_work

Contrail work
update parent provide lookups

to make them relative
Merge pull request #10 from bodepd/relative_lib_lookups

update parent provide lookups
Added optional automatic reboot

Optionally reboot the compute node after vrouter kernal module
installation/upgrade. This reboot is required for vrouter to work properly.
Merge pull request #11 from hkumarmk/vrouter

Added contrail vrouter
Fixed the default for vrouter_physical_interface