opusfile_decoder: fixed EOS not being propagated if there wasn't an outout buffer available at the right time.
libtizonia: added tiz_srv_soa_calloc and tiz_srv_soa_free apis to the servant class.
libtizonia: remove component handled from the tiz_event_pluggable_t structure.
buildtizonia: fixed some bash style issues
pcm_renderer_pa: towards having all the pulsaudio objects initialised (still early days).