Updated Simplified Chinese translation.
Profile: Make ini parser more fail-safe

This commit fixes #3011.
Subtitles parser: small optimizations.
DVB Header information for video streams

Added header information from PMT tables for MPEG-2 and H.264 Streams. The switching channel approach had to be reviewed as well.
Minimized the number of windows size changes each time a channel is switched

Signed-off-by: xpc1000 <xavier_portell@hotmail.com>