When we started out, Ericsson hadn't released yet their NS and BSSGP
modules. Let's port our logic over to their encoder/decoders, as they
are more complete (but less regular / more difficult to use).
Change-Id: Icbc4f5d24f3419f99c9a4805f836bddd2849f492
When introducing the rewriting for 6.3.0 we broke the 6.1.0 support.
Now the result should build on Debian with both 6.1.0 and 6.3.0
Change-Id: I263a6abd2d9eb15ce5778ef8dbfcdac2a228b77d