[mythtv] AVInfo: show all infos

New struct AVInfo::STREAM_AVINFO contains all needed:

- Elementary stream PID
- Elementary stream type
- Elementary stream properties
[mythtv] FillRecordingAVInfo
Merged #10 "More AVinfo"
[cppmyth] Handles version of services
[cppmyth] Bump version 1.0.3
Merged #11 "cppmyth 1.0.3"
[mythtv] New format for program UID string

{chanId}_{recStartTs}_{hhh}
[cppmyth] Reset ranking to 0 on failure