updated Russian translation
fix mute tooltip translates
cosmetics: fix typo in comment and apply astyle
update Changelog.txt
ffmpeg/Makefile: fix line endings
Graph builder: Make duplicated filter detection stricter.

This let us blacklist filters more easily. It also prevents the external version of an internal filter to be added to the candidate filters list unless the internal filter is disabled.
Blacklist some filters that are known to be incompatible with DVB.

This includes the internal video decoder for now (refs #730).
Updated French translation.
Updated Polish translation.
Updated Basque translation.

Refs: #2890.
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>
DVB: Add "No subtitles" to the stream selection menu.
Subtitles are disabled by default now.