libgroove-4.3.0-bp156.3.5

- Add libgroove-4.3.0_ffmpeg-4.0.patch: Fix build with ffmpeg v4.
- Following the above patch, drop ffmpeg3-devel BuildRequires.

- Explicitly request ffmpeg 3.x for building

- Renamed package to upstream name
- Renamed groove.patch to libgroove-4.3.0-no_overflow.patch
  and added description

- Added libgroove-4.3.0-no_Werror.patch to fix build in Factory

- Build with -Wno-error=deprecated-declarations

- Added libgroove-4.3.0_unused-result.patch to fix SLE11 build

- Initial release