Bump to 15.2 Final

[Confluence] drop tvtunes support (backport for Isengard)

[pvr.mythtv] bump addon to version 2.7.4

[pvr] bump pvr.stalker to 0.8.4

dvdplayer: fix non DVB subs after  5c0d694f

FIX: [droid] use renderer resolution when available

When switching refresh rate, the native window is destroyed and
recreated, so use the rendere resolution if available to avoid being
reset to the setting resolution

- Remove EPG associations with recording due a performance issue

[pydocs] xbmcgui.lock() and xbmcgui.unlock() are depricated and non-f…

Bump pvr.vbox to 1.3.9

[musicdatabase] Fix incompatible MySQL queries (Backport)

[Mirrors][Jenkins] Upload android debug symbols (backport)

[pvr.mythtv] bump addon to version 2.7.3

[pvr] Bump pvr.hts to 2.1.18

bump to 15.2rc3

[fix][gui] Fix multi images in grouplists/layouts.

This fixes a regression introduced with cb2dd229 .

fix c/p error in 1937a0f9

Fix position outside of video for text based subs

FIX: proper casting of file time TZ adjustment

Regression from
https://github.com/xbmc/xbmc/commit/6e0fefdbfd60e5ff0f12e1711df011d8428629ca