[TESTING] Kodi 18 (Leia) builds for Vero 2 & 4K

17.8-105, 21 Sep 2017: Based off OSMC commit (ef5b86d) and xbmc (a35d8c0)

OSMC
Add pvr.wmc pvr.nextpvr pvr.njoy back

XBMC:
VideoPlayer: frame advance (PR:12808, 1 commit, 10 files changed)
VideoPlayer: some fixes (PR:12809, 3 commits, 4 files changed)
[X11] factor out glx support (PR:12219, 4 commits, 11 files changed)
GLX: fixups (PR:12811, 1 commit, 1 file changed)

inputstream.adaptive:
Fix deadlock (seek / setDownloadSpeed) /move iv storage from tree to stream (c49c8db)

pvr.teleboy:
Fix windows build (PR:3, 2 commits, 5 files changed)

Includes latest addons: inputstream.adaptive (c49c8db, +10), inputstream.rtmp (e094fa3), peripheral.joystick (cc14287), pvr.argustv (23cc0e8), pvr.demo (122dedd), pvr.dvblink (816f90c), pvr.dvbviewer (8741c8b), pvr.filmon (34dca04), pvr.hdhomerun (ace19fa), pvr.hts (53118d8), pvr.iptvsimple (ac4f4bd), pvr.mediaportal.tvserver (c86ab35), pvr.mythtv (b46e5be), pvr.nextpvr (0d75744, +1), pvr.njoy (99874de), pvr.octonet (a77cf11), pvr.pctv (549f690), pvr.stalker (e15edca), pvr.teleboy (967144c, +15), pvr.vbox (b5da811), pvr.vdr.vnsi (f3f80d5, +1), pvr.vuplus (5e154bc, +4), pvr.wmc (7e2cb4b, +1), pvr.zattoo (3a707c5, +8)