Move math and some file and data conversion files out from native to Common.

Buildfixing

Move some file util files

Buildfix

Move KeyMap.cpp/h to Core where they belong better.

libretro buildfix attempt

Move ini_file

More buildfixes

Core/Config.cpp

@@ -25,7 +25,7 @@
 #include "ppsspp_config.h"
 #include "base/display.h"
 #include "base/NativeApp.h"
-#include "file/ini_file.h"
+#include "Common/Data/Format/IniFile.h"
 #include "Common/Data/Text/I18n.h"
 #include "json/json_reader.h"
 #include "gfx_es2/gpu_features.h"
@@ -35,7 +35,6 @@
 
 #include "Common/CPUDetect.h"
 #include "Common/FileUtil.h"
-#include "Common/KeyMap.h"
 #include "Common/LogManager.h"
 #include "Common/OSVersion.h"
 #include "Common/StringUtils.h"
@@ -43,6 +42,7 @@
 #include "Core/Config.h"
 #include "Core/ConfigValues.h"
 #include "Core/Loaders.h"
+#include "Core/KeyMap.h"
 #include "Core/HLE/sceUtility.h"
 #include "Core/Instance.h"
 #include "GPU/Common/FramebufferManagerCommon.h"