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

17.8-066, 5 May 2017: Based off OSMC commit (7dd50fd8b) and xbmc (69f4545bbfe14)

XBMC
[PVR] Cleanup: CPVRChannelGroupsUpdateJob no longer needs to be friend of CPVRChannelGroupsContainer
[PVR] Cleanup: CPVRTimers no longer needs to be friend of CPVRTimerInfoTag.
[PVR] Cleanup: Remove superfluous semicolons.
[PVR] pvr windows cleanup and refactoring of class hierarchy

Includes latest addons: inputstream.adaptive (f23ba39c), inputstream.rtmp (1052cd37, +2), peripheral.joystick (07aa1fe8, +1), pvr.argustv (8f898149, +2), pvr.demo (978f4289, +2), pvr.dvblink (b7d887c1, +2), pvr.dvbviewer (d099cfad, +2), pvr.filmon (0f1d34d4, +2), pvr.hdhomerun (ab911693, +2), pvr.hts (3911c7fe, +2), pvr.iptvsimple (28350d6e, +3), pvr.mediaportal.tvserver (367b1284, +2), pvr.mythtv (30cc7e23, +1), pvr.nextpvr (e6ece9fa, +2), pvr.njoy (296f558f, +2), pvr.octonet (8549a31c), pvr.pctv (eab5f856, +2), pvr.stalker (62b7908d, +2), pvr.vbox (60017353, +2), pvr.vdr.vnsi (b7c3f3b0), pvr.vuplus (78df0306, +2), pvr.wmc (27a88ca2, +2)