[videodb] Fix deleting bookmarks from dialog for add-ons.

It was adding the bookmark on the original list item URL, but was trying to
remove it on the actual URL.

It failed to remove it if the list item URL was a plugin:// one.

Fixes #14416
Honor "ignorethewhensorting" when jumping to letter
fix CApplicationMessenger::SendText() not sending the text to the proper edit control
ffmpeg: bump to version 2.4.3
[Cosmetics] reserve window id's for skins
Merge pull request #5665 from Montellese/fix_sendtext

fix CApplicationMessenger::SendText() not sending the text to the proper edit control
Merge pull request #5647 from phate89/jumptoletter

Honor "ignorethewhensorting" when jumping to letter
Merge pull request #5644 from anaconda/fix-14416

[videodb] Fix deleting bookmarks from dialog for plugins.
fixed: Chapter skipping was broken due to improper current pts updating (thanks FernetMenta for the pointer). Fixes ticket #14535
changed: m_iCurrentPts is NOT an int but a double
Merge pull request #5661 from arnova/ffmpeg_chapter_dts_fix

fixed: cur_dts returned by ffmpeg is invalid most of the time so relay o...
Merge pull request #5666 from FernetMenta/ffmpeg

ffmpeg: bump to version 2.4.3
[rbp/omxplayer] When opening a stream don't try to update gui so often
[ffmpeg] Speed up wtv index creation

The index creation is O(N^2) with number of entries (typically thousands).
On a Pi this can take more than 60 seconds to execute for a recording of a few hours.

By replacing with an O(N) loop, this takes virtually zero time
adds GetTvShowSeasons
move AddSeason() public.
adds GetArt function to (video) scraper, allowing art to be fetched given the video identifier.
refresh season art if a new season is found that isn't recorded in the database yet. Fixes #14339
REMOVEME: updated thetvdb.com scraper to support art updates
[omx] Report decoded image name