[audio addons] allow building with the depends Makefile without unified deps and fix unwanted rebuilding
[audio encoder addons] use alternate api branch
[addon-helpers] set building shared libs as default and try to link as static as possible on all platforms but linux
switch from xbmc-audio-addons to xbmc-audiodecoder-addons as we'll have decoders at some point
Merge pull request #13 from wsnipex/audio_encoders_newapi

Audio encoders newapi