ppp:
 * rename EXTERNAL_FREETZ_PACKAGE_PPP_CGI to EXTERNAL_FREETZ_PACKAGE_PPP and move all external.* files from ppp-cgi to ppp
 * refs #2367


git-svn-id: file:///var/svn/freetz/trunk@11886 149334a1-2f27-0410-a3b9-fc62619ac1e6