Just save XMM0-XMM15 on x64.

Not really sure why but seems like VS2010 expects XMM4 to be preserved.

Fixes headless on x64.
Update variables
Update Config.cpp
Update GameSettingsScreen.cpp
Update sceDisplay.cpp
Skip trailing newlines in test comparison.
Move the actual test run to its own function.
Support running multiple tests in a row.
List failed tests in autocompare.
Support the verbose test compare parameter.
Merge pull request #3811 from unknownbrackets/headless

Just save XMM0-XMM15 on x64 + more headless
Merge pull request #3808 from thedax/drawLogoOnLogoScreen

Draw PPSSPP's D-pad logo on LogoScreen.
Update WndMainWindow.cpp
Update resource.h
Update ppsspp.rc
Show a warning message on game start if Chainfire3D is installed.
Make chainfire3d warning translatable.
Merge pull request #3813 from DanyalZia/patch-7

Win32: Expand Rendering Resolution Function upto 10x
Update GameSettingsScreen.cpp
Merge pull request #3812 from DanyalZia/patch-6

Add an option in UI to enable/disable frameskipping in unthrottle regardless of device