[configure] Moved xbmc to SDL2
[depends] move to SDL2 for linux
[linux] Rewrite SDL_Joystick to use SDL2: adds hotplug support, correctly handles multiple joysticks and improves axis handling
[windows] WINJoystick: correctly handle multiple joystick and improve triggers
[buttontranslator] Add keymap attribute for axis-to-trigger mappings
[buttontranslator] Use regexes for joystick names in ButtonTranslator keymaps
[keymap] Add trigger attributes to 360 controller + altname for Razer Sabertooth
[keymap] Update PS3 keymap to use a regex name so it works OOB with sixad driver
Merge pull request #5364 from zzattack/sdl2

[linux] Upgrade SDL1.2 to SDL2 for hotpluggable joysticks
[ios/atv2] fix spelling mistake in README
Merge pull request #5585 from yanniks/master

[ios/atv2] fix spelling mistake in README
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
vdpau: advanced settings for auto deinterlacing
player: fix rewind