RTSP memory buffer locking and ReadAhead logic modified.
setPacketReorderingThresholdTime() set to 0.5 (experiment)
Prefetching adjusted (might be too aggressive - needs testing). Some redundant code removed, and variable types adjusted.
More tweaks to pre-fetching
Make play action start TV / Radio recordings
More experiments with RTSP client settings, plus buffer handling constants moved to TsReader.h
Removed duplicated event handler and tidied up comment
Update Log4NET to 1.2.11 and add PreserveLogFileExtension to ensure all logs have the same extension
Include Gentle.config files in zip
Fixed a bug in WM_GETMINMAXINFO and WM_SIZE for fullsceen mode when using multiple displays
Merge branch 'refs/heads/master' into EXP-Windows-7-Half-Full-Screen
v73 test release (note: only compatible with MP 1.3.0 and later)

CheckPrefetchState() reverted back to normal behaviour for RTSP. RTSP maximum buffer size now 32MB, and an overflow situation now discards a chunk of the *tail* of the buffer.

Extra RTSP buffer logging added (when buffer logging is enabled).
Merge remote-tracking branch 'remotes/upstream/EXP-Windows-7-Half-Full-Screen' into 1.4.0Fork_SEB_half_EXP
Merge remote-tracking branch 'remotes/upstream/EXP_TsReader_RTSP_dev' into 1.4.0Fork_SEB_half_EXP
Merge remote-tracking branch 'remotes/upstream/BUG_4349_Logging_issues' into 1.4.0Fork_SEB_half_EXP
Merge remote-tracking branch 'remotes/upstream/FEAT-4391_Play_in_recorded_tv' into 1.4.0Fork_SEB_half_EXP