factor out the UI scaling computation from SetScalingResolution
use GetGUIScaling rather than SetScalingResolution when computing font size so as to not alter stored state
[pvr] bump add-ons (fix version of addon.gui)
FIX: [stagefright] proper SurfaceTexture allocation
FIX: [stagefright] fixes and refactors (probable fix for 60min stuttering)
FIX: [droid] Handle mouse wheel
[WIN32] removed unused methods and some CStdString occurrence.
Merge pull request #3657 from koying/quickpr

Stagefright fixes
[lang] update of internal addon language files
[lang] update of core language files
[lang] update of skin.confluence language files
[lang] added new language Tajik
Merge pull request #3656 from FernetMenta/addongui

[pvr] bump add-ons (fix version of addon.gui)
FIX: [droid] do not package non-standard joystick keymap
VSync: Drop OML Swap Method
VSync: Prefer Mesa Swaps to SGI Swaps
X11: use GLX_EXT_swap_control if available
VSync: Also drop SGI Interval
fixed: Typo in configure.in
[WIN32] fixed compilation of the testsuite. still a lot of tests fail with heap corruption or other errors. needs a full recompilation even when the debug target was compiled previously (sharing the pch and objs didn't make any difference for me).