### vyos-ppp ###
From debian ppp 2.4.5-5.1 (weezy package)
* Modified debian/control and debian/changes renaming from ppp to vyos-ppp.
* Added patches to renaming interface, ppp options and ip-pre-up using debian quilt patch integration.
* Adapted debian/rules 
* RENAME ppp* files in debian directory to vyos-ppp*
        [ for i in ppp*; do mv $i vyos-$i; done]
interface rename patch obtained from:
https://github.com/vyos/ppp/commit/05120c8a4934ad92847e54b4f78bd1228122ead0#diff-2