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.
PluginScreen progress
Merge branch 'master' into plugindownload

Conflicts:
	Core/Core.vcxproj
	Windows/PPSSPP.vcxproj
	native
More tweaks to pluginscreen
Upgrade the bundled zlib
More autodownload UI work etc
Fixes and cleanup
Merge branch 'master' into plugindownload
Hide the atrac3plusdecoder autoinstaller on platforms where it's not yet supported
Armjit: Implement wsbh and wsbw (rev16 and rev). Fix encoding for rev16.
Stub wsbh/wsbw for x86.
Fix OSK on Android, wchar_t is not always 16 bits.

Fixes #2073.
Multiply by the base color in ambient lighting.

JPCSP seems to do it this way.  Fixes #1692, and makes it consistent with
specular and diffuse, which seems right.
Fix crash for invalid mpeg header.
Channel volume should be done in __AudioEnqueue.

Fix noise in 7th Dragon 2020.