Changes to make use of the dual atlas mode

Merge branch 'master' into TemporaryHackishBranch

# Conflicts:
#	CMakeLists.txt
#	Common/UI/Context.cpp
#	Core/Config.cpp
#	GPU/D3D11/TextureCacheD3D11.cpp
#	GPU/Directx9/TextureCacheDX9.cpp
#	GPU/GLES/TextureCacheGLES.cpp
#	GPU/Vulkan/TextureCacheVulkan.cpp
#	README.md
#	UI/GameSettingsScreen.cpp
#	UI/MainScreen.cpp
#	UI/NativeApp.cpp
#	android/assets/ui_atlas.meta
#	android/assets/ui_atlas.zim
#	assets/ui_atlas.meta
#	assets/ui_atlas.zim

Windows/MainWindow.cpp

@@ -233,10 +233,6 @@ namespace MainWindow
 				g_Config.iInternalResolution = 0;
 		}
 
-		// Taking auto-texture scaling into account
-		if (g_Config.iTexScalingLevel == TEXSCALING_AUTO)
-			setTexScalingMultiplier(0);
-
 		NativeMessageReceived("gpu_resized", "");
 	}
 
@@ -768,7 +764,7 @@ namespace MainWindow
 						if (disasmWindow)
 							SendMessage(disasmWindow->GetDlgHandle(), WM_COMMAND, IDC_STOPGO, 0);
 						else
-							Core_EnableStepping(pause);
+							Core_EnableStepping(pause, "ui.lost_focus", 0);
 					}
 				}