fixed a bug in RTMPT error handling. Fixed a bug in HTTP continuous bitrate switching. Fixed a bug for playlist PNG rollovers without itemActive element. Added logic for hiding the image/description of playlist buttons when the button is <40px high or <240px wide. Added RST documentation on HTTP _droppedframes, HTTP DVR, RTMP DVRCast, RTMP _droppedframes, RTMP Tunneling and small playlist button element hiding.