Merge branch 'media_video/motion-4.3.1-version-bump' of https://githu…

…b.com/hfernh/gentoo into media_video/motion-4.3.1-version-bump

media_video/motion: version bump to 4.3.1

New version of motion, which fixes
Bug: https://bugs.gentoo.org/665930: depends on virtual/mysql
Bug: https://bugs.gentoo.org/673410: version bump request
Bug: https://bugs.gentoo.org/717312: OpenRC init file simplification

Also made the following other enhancements:
- set default directory to motion's home dir /var/db/montion
- updated emerge message
- created local use flag 'supervise-daemon' to configure initd for
  process supervision under OpenRC

Signed-off-by: Johannes Willem Fernhout <hfern@fernhout.info>