treewide: use wafHook

Replace "waf" phases with wafHook that manages everything
automatically. Should make things more modular.

Packages affected here are:

- a2jmidid
- ams-lv2
- ardour
- fomp
- guitarix
- ingen
- jalv
- mda-lv2
- non
- patchage
- hamster-time-tracker
- kupfer
- xiphos
- xfce4-dockbarx-plugin
- xfce4-namebar-plugin
- dropbox
- clasp
- aubio
- liliv
- lv2
- lvtk
- ntk
- raul
- sratom
- suil
- ganv
- ndn-cxx
- ns3
- serd
- sord
- termbox
- wxmupen64plus
- jackaudio
- pflask
- blockhash
- glmark2
- weighttp