motion-4.2.1-bp153.1.27

- No longer force ffmpeg 3 versions of pkgconfig(libav*).

- Update to 4.2.1
  Fixes:
  - Stream rate calculations
  - Static library linking
  - Eliminate updates to movie_passthrough via webcontrol
  - Thread locking for movie_passthrough
  - NULL terminator for EXIF
  - Revised logging messages
  - Guide update for mobile

- Use ffmpeg3 versions of pkgconfig(libav*)

- explicitly require ffmpeg3-devel , as we currently
  do not build against ffmpeg4.

- Update to 4.1.1:
  https://motion-project.github.io/motion_news.html
  Fixes:
  - Build on musl based systems
  - jpeg decompression error processing
  - image saving when using highres option
  - filename for debug movie correction

- Replace references to /var/adm/fillup-templates with new
  %_fillupdir macro (boo#1069468)

- Use pkgconfig to refer to ffmpeg because ffmpeg-devel does not exist
- Use pkgconfig to refer to webp
- Remove unused zlib

- Merged things from packman.
  - Use an own motion user, in group video
  - sysconfig script for options in systemd service

- updated to 4.1 from github site.
  https://github.com/Motion-Project/motion/wiki/News
  - New or revised configuration options:
  - flip_axis (mirrors the image)
  - mask_privacy (blocks out areas of image)
  - netcam_highres (dual stream processing)
  - on_camera_found (script execution)
  - substream_port (low resolution output stream)
  - webcontrol_parms (Control what parameters are included on webcontrol)
  - ffmpeg_timelapse renamed to timelapse_interval
  - ffmpeg_timelapse_mode renamed to timelapse_mode
  - timelapse_fps (fps for the resulting video)
  - timelapse_codec (container/codec for timelapse)
  - sdl_threadnr removed
  - Revised functionality
  - Removed v4l1 functionality
  - Added support for RTMP and additional v4l2 palette options
  - Added support for network cameras on macOSX
  - Added additional conversion specifiers
  - Added flood control for Motion log
  - Revised INF/DBG message logging
  - Log IP of failed authentication attempts
  - Fixes
  - Movie playback issues
  - ffmpeg 3.1 warnings
  - v4l2 mjpg image corruptions
  - various other bug fixes/refactoring
  - Known Issues:
  - Recovery for sqlite from watchdog time out (#521)
  - Timing on images for round-robin devices (#363)
  - Unresponsive thread killing (#366)
  - Updates to documentation
  - Additional building instructions
  - Links to configuration options at top of documentation
  - Multiple rewrites for configuration options
  - Updates to required libraries
  - Added requirement for libavdevice
  - Removed requirement for libsdl
  - Removed requirement for libv4l

- imported from fedora specfile
- some cleanups