build fix for other
IMPL sceDisplayIsForeground

one  step of fix crash of Sengoku Musou 3 Z Special
Fix Fix Sengoku Musou 3 Z Special  crash in  sceAtracGetChannel
Merge pull request #1595 from sum2012/patch-3

IMPL sceDisplayIsForeground
Merge pull request #1594 from sum2012/patch-2

build fix for other
Merge pull request #1597 from sum2012/patch-4

Fix Sengoku Musou 3 Z Special  crash in  sceAtracGetChannel
Update lang
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
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