Added xBRZ library
Added config option for xBR texture scaling
Added Windows UI for xBR texture scaling option
Added xBR texture scaling to TextureCache
Fix savestates not even trying on diff version.

Also, update native.
Report a possible blend error.
Double alpha at least for a known case.

Makes Popolocrois look much better now.
Disasm the GE blend mode better.
Merge pull request #1602 from unknownbrackets/gpu-minor

Double alpha at least for the src case
Merge pull request #1601 from unknownbrackets/savestates

Fix savestates not even trying on diff version
Changed xBRZ UI to have separate off option
Merge pull request #1599 from PeterTh/master

xBRZ texture scaling
Buildfix
Stubs for last few functions in sceDisplay
Merge pull request #1604 from raven02/patch-12

Buildfix
Merge pull request #1605 from raven02/patch-13

Stubs for last few functions in sceDisplay
Fixed threading issue pointed out by unknownbrackets and made texture scaling changes apply immediately
Merge pull request #1608 from PeterTh/master

Threading fix for texture scaling, make option immediate (mk. 2)
Buildfix
another buildfix