Plugins compartibility fix
Plugins compartibility fix

Netconfig routines plugin task changed to ensure that:
a) this task will not cause race condition
when other plugins are installed
b) this task will run on the contrail-[1,2,3] nodes only.
Create globals.yaml task added to plugin to fix netconfig issues.

Change-Id: I49c07e2b03ea5a1ca577aa765e1c2650c685fec8

andrei4ka/fuel-plugin-contrail,stackforge/fuel-plugin-contrail,stackforge/fuel-plugin-contrail,zioc/fuel-plugin-contrail,zioc/fuel-plugin-contrail,stackforge/fuel-plugin-contrail,zioc/fuel-plugin-contrail,stackforge/fuel-plugin-contrail,andrei4ka/fuel-plugin-contrail,andrei4ka/fuel-plugin-contrail