Update Core/HLE/FunctionWrappers.h

Buildfix
Update Windows/PPSSPP.sln

Fix for VS 2010
Merge pull request #480 from Darth1701/master

Buildfix / sln-Fix for VS 2010
Buildfix
Merge pull request #481 from raven02/master

Buildfix
Attempt to set more correct return values for sceDisplayWaitVblank*
Add enable/disable dithering. Respect chosen framebuffer color depth.
Merge remote-tracking branch 'upstream/master' into tieba