Enable h264/celt in h323plus use system defined srdir in h323plus and gnugk
Merge branch 'master' of https://github.com/Distrotech/buildscripts

Conflicts:
	etc/builddef/gnugk
Merge branch 'master' of https://github.com/Distrotech/buildscripts
Simplify config and use ARCHROOT var not /build
Use ARCHROOT not /build [old build path]
Simplyfy and use ARCHROOT
Use ARCHROOT not /build [old build path]
Use ARCHROOT not /build [old build path]