rtaudio-5.1.0-bp156.3.4

- update to version 5.1.0:
  * new C API wrapper
  * new static functions to get API names
  * many WASAPI updates (thanks to Marcus Tomlinson)
  * miscellaneous build system updates
  * bug fix for stream ticking in CoreAudio if using two devices for duplex
  * ALSA stream handle bug fixes
  * see git history for complete list of changes

- Trim SRPM and devel descriptions. Put in accurate summaries.
- Remove Obsoletes for non-existing package.
- Rename %soname to %sover to better reflect its use.

- update to version 5.0.0
  * No changelog available
- specfile cleanup

- update to 4.1.2

- initial version 4.0.11