[cppmyth] Release 1.0.4

- Allow read ahead when recording grows
- Delegate JSON parsing
- Handles version of services
- Allow HTTP redirection to get slave previews
[mythtv] Release 1.9.23

- Collect all AVINFO
- New format for program UID string
- Fix coverity issues
- demuxer: optimizing, fix PES header
- Fix category override
- Transfer sub channel number
Merge pull request #369 from janbar/release-v1.9.23

[pvr.mythtv] Release v1.9.23