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
Merge branch 'master' into plugindownload
More UI fixes