[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
[videodb] Keep empty series if hideemptyseries=true

Fixes #15475
fix CApplicationMessenger::SendText() not sending the text to the proper edit control
ffmpeg: bump to version 2.4.3
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
Merge pull request #5643 from anaconda/videodb-keep-hideemptyseries

[videodb]: keep empty series if hideemptyseries=true
videoplayer: adapt lateness detection and dropping to buffering
video player: present correct pts to user for a/v sync (after buffering in renderer)
videoplayer: update frametime, it might change due to fps detection
videoplayer: give streams with invalid fps a chance for fps detection
dvdplayer: allow rewinding at end of stream, do a seek after rewind
dvdplayer: observe pts counter overflow
dvdplayer: avoid short screen flicker caused by unnecessary reconfigure of renderer