Update to 2.2.2
further improvements from Sérgio Basto <sergio@serjux.com>
Add conditionals to enable or disable ffmpeg
Also add conditionals to be possible build with local ffmpeg (not in use)
Use autoconf before ./configure
Re-add libmp3lame-default.patch and libdir.patch
Add to configure --disable-dynamic-loading
General review of spec
Re-add desktop.in.patch
Add to configure --with-lv2 --with-midi --with-portmidi with some commentaries
Temporary fix to portaudio became permanent (--with-portaudio=local)