Initial repository commit

Separated from blender and major refactors already included.
Added readme for github.
Fixing includes to include the directory names of the library folder structure.
Python module building added.
Audaplay demo update to exit exactly when the playback ends, instead of sleeping.
Replacing MutexLock by std::lock_guard.
Cleanup of util and main heards, especially C++11 changes.
C++11 cleanup: instead of hiding cctor and operator= they get deleted.