New features
[gfx] TextField Layout: add alignx and aligny parameters
[plugin/gsfxr] UWP port
Fixes
[plugin/ads] Fix gplugin file
[player] Fix Always on top functionnality
[gfx] Don't rely on rt:clear() honoring the clipping
[xmp] Fix file loading random errors
[uwp] Fix alpha blending issues
[uwp] Avoid throwing an exception on player probing
[dx11/shaders] Don't discard pixels for plain color shaders