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

17.8-135, 22 Nov 2017: Based off OSMC commit (9daa2c1f) and xbmc (30b5b59)

OSMC:
Revert webdav performance
Vero 4k: Revert video improvements

XBMC:
FIXED: ListItem:SetSubtitles if more than one subtitle is given (PR:13068, 1 commit, 1 file changed)
SlideShow: fix playing multiple videos in a row (PR:13073, 2 commits, 3 files changed)

pvr.filmon:
[depends] bump jsoncpp to 1.8.3 (PR:79, 1 commit, 4 files changed)

pvr.hdhomerun:
[depends] bump jsoncpp to 1.8.3 (PR:70, 2 commits, 5 files changed)

Includes latest addons: inputstream.adaptive (d2081b2, +5), inputstream.rtmp (0702f7e), peripheral.joystick (33b43ce, +11), pvr.argustv (5b9bdad, +2), pvr.demo (122dedd), pvr.dvblink (816f90c), pvr.dvbviewer (6129441, +1), pvr.filmon (2dee2ca, +2), pvr.hdhomerun (3af3e91, +11), pvr.hts (9e58cbb, +9), pvr.iptvsimple (ac4f4bd), pvr.mediaportal.tvserver (6c35e88, +1), pvr.mythtv (ffaa1b5, +5), pvr.nextpvr (938bb48, +2), pvr.njoy (4a5efef, +1), pvr.octonet(c4af00a, +1), pvr.pctv (6484615, +4), pvr.stalker (44025a1, +3), pvr.teleboy (2d092c4), pvr.vbox (619c32b, +2), pvr.vdr.vnsi (0ec3e77, +3), pvr.vuplus (7ea6b21, +2), pvr.wmc (55e701b, +1), pvr.zattoo (23d9993, +5)