Update lang/pl_PL.lang
Merge pull request #115 from copernic-us/patch-1

Update lang/pl_PL.lang
metadata: Avoid doing lookups for very short filenames
metadata: Remove various unused args
When playing video, set displayed title of video to that from external API lookups (tmdb, etc)
Fix some problems with mono audio
Change to toolchain that can sign for 4.xx
Better subtitle scanning
Rework iso 639 language handling a bit

Merge 639-1 and 639-2 tables into one table
glw Fix edge cases for fading text
skin: Improve subtitle selection list a bit
i18n: Avoid potential race condition when entering languages
opensubtitles: Only search for users preferred languages (if any)
skin: Minor update of subtitle menu
Drop stray debug msg
Allow user to adjust subtitle timing ±10 seconds
Enable TVDB support

Fixes #1121
Feed opensubtitle API with season and episode information
Give local subtitle files a slight adventage in the automatic selection process
Add stretch-to-widescreen and stretch-to-fullscreen as options during video playback

Fixes #1334