Merge pull request #4451 from fritsch/pa-volume-fix-mainline

PulseAudio: Rework Volume
Merge pull request #4481 from mus65/wiiupro

[Linux] add basic support for Wii U Pro Controller
Merge pull request #4467 from Memphiz/osxnosamplerate

[osxsink] - for devices which report samplerate 0hz - allow user overrid...
[lang] update of internal addon language files
[lang] update of core language files
[lang] update of skin.confluence language files
version bump to 13.0 beta4
[gui] fix crash if an info expression (with square brackets) wasn't correctly closed off by a skin.
Merge pull request #4445 from ruuk/stopsfx

Add xbmc.stopSFX() to the python xbmc module.
Merge pull request #4475 from popcornmix/pisink_update

[PiSink] Fixes for underrun, passthrough and multichannel
Merge pull request #4460 from koying/fixdroidx86ffmpeg

FIX: [droid;x86;ffmpeg] disabling mmx on recent gcc actually causes crashes
Merge pull request #4473 from Black09/constants

Enable constants for centerleft and centertop
[music] content type wasn't set in a bunch of cases. fixes #14915, fixes #15057
[addons] ensure we exit the lock prior to calling PrunePackageCache() as this takes ages, and will grab graphicscontext lock, leading to deadlocks
[videodb] fix crash linking a movie to a show if there's no tvshows left to link.
[videodb] show select dialog for linking a movie to a show, even if there's only one show to link to.
Merge pull request #4479 from mossywell/master

Change FLAC MIME type
Merge pull request #4487 from Montellese/settings_defaults

settings: remember whether a setting has its default value or not
Merge pull request #4484 from jmarshallnz/curl_ssl_fix

[openssl] backport fix to alert handling from openssl 0.9.8za to fix github repos
Merge pull request #4486 from Montellese/jsonrpc_screensaver_notifications

jsonrpc: add missing GUI.OnScreensaverActivated/OnScreensaverDeactivated notifications to the API definition