handling deadlock around using the dialog progress from python.

handling deadlock around using the dialog progress from python. fixes 10303, fixes 12274, fixes 12581.

Merged support for audio/L16 mimetype from andrewfg PR 251

[WIN] fix a couple dxva processor issues

Done in Open() to avoid spamming the log, as would happen in Render().

Some GPUs drop some progressive frames with a deinterlacing processor.

For those GPUs (or when an advanced setting is activated), change the Auto
mode to always use the prog. processor for progressive frames and deint. proc
for interlaced frames.

This comes at the expense of the switch speed between prog. and int. as the
processor must be recreated for each switch and there is no guarantee
about processor destruction/creation speed.

instead of opening the wrong one and switching later.

[WIN] fix joystick connect/disconnect issues.

Fixes access violation soon after unplugging a controller as XBMC and SDL
were not aware of the removal.

added option to set background for "playback CD/DVD" - fixes #12783

This reverts commit 29f93361.

This reverts commit 4906ff60.

This reverts commit 10ecf8d6.

This reverts commit fa91ae6c.

This reverts commit 95e613d1.

thanks to zenkibou / whoever is the original downstream (gentoo) dev.
closes ticket #12001

fixed: do not append the hosts ip address to our upnp server name (the friendly name already takes care of it)

fixes crash when using wraplist with focusedlayout size greater than container size

add pvrmanager.enabled setting (non-GUI) that returns false to reduce log-spam in skins designed for both PVR and mainline.

In the SQLite "Copying from x to y" debug log message "x" and "y" are
mixed up. Fix it by swapping them.

Commit ea87f7e8 ("removed subtitle caching as it was only needed
on xbox, partialy takes care of #9736.") mistakenly removed the filename
check for subtitles in zip or rar archives, causing any subtitle file
inside archives to be loaded.

Fix that by re-adding a filename check into
CUtil::ScanArchiveForSubtitles().

[ios/atv2] - no white screen of death for ios/atv2 - so don't start with windowed mode (doesn't do anything with current code, but will speed up things when tvout is added)