.gitignore: improve
CMakeLists.txt: use local Eigen3 if available
src_cpp/yaafe-python/CMakeLists.txt: move libya...
CMakeLists.txt: add dist hook
externals/audio-smarc/Makefile: add CFLAGS and ...
src_python/yaafe: moved from yaafe.py
.gitignore: re-add doc/build
Merge branch 'master' into dev