Making Bass audio service thread safe. No more singletons. Making sure to free native Bass only if last instance of Bass is disposed.

Freeing bass plugins as well (flac, wma).
Renaming test. Adjusting fingerprint unit builder test.

Done in order to get rid of DirectSound library.
Removing DirectSound audio service. Rest in peace.

DirectSound service not needed as it only able to process WAV files with
no downsampling ability, thus its better get removed.
Adjusting Fingerprint unit builder integration test

Making it more generic.
Removing direct sound associated files. Changing the package builder.

Wav files removed, changed the expected target platform to Any CPU (no
more platform specific code is available within the entire solution).