[mythtv] AVInfo: show all infos

New struct AVInfo::STREAM_AVINFO contains all needed:

- Elementary stream PID
- Elementary stream type
- Elementary stream properties
[mythtv] FillRecordingAVInfo
[cppmyth] MythJSON::ParseResponseJSON

Delegate JSON parsing
[cppmyth] WIN32: update project
[cppmyth] Handles version of services
[cppmyth] Bump version 1.0.3
[mythtv] New format for program UID string

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