Initial take at plugin dialog
Merge branch 'master' into plugindownload
More download stuff
More plugin stuff
vcproj update: enable multithread build
Some more UI stuff.
Merge pull request #2055 from oioitff/atrac-fix

fix a tiny bug for atrac crash
Work around occasional GetI18NCategory() failure in WndProc().

Also fix some variable-shadowing.
Exit from UI Menu Screen better. Fix crash under debugging if Pause Screen has ever been used.
Merge pull request #2059 from aquanull/patch-2

Fix some Windows-only crashes
Merge pull request #2060 from oioitff/atrac-fix

Implement sceAtracGetBufferInfoForReseting
Fix dumb typo, fixes #2051.
Re-arrange many menu screen elements to fit in most situations.
Even add a new screen for frame settings.
Unfortunately, in some languages certain words and phrases are so long^n that they will fail under 800×480 (or even lower) resolution.
PluginScreen progress
Use FFMPEG on 64-bit Windows, now that there's a build.
Merge branch 'UITweak' of https://github.com/aquanull/ppsspp into aquanull-UITweak
Merge branch 'master' into plugindownload

Conflicts:
	Core/Core.vcxproj
	Windows/PPSSPP.vcxproj
	native
More tweaks to pluginscreen
Re-enable atrac3+ mono audio
Add a multitude of sceNet* stubs.
I tried this in an attempt to fix the Peace Walker hangs, but it didn't seem to help, so it must be related to something else.