* Remove unmotivated check preventing texture ini creation on mobile.
Fixes#15644
* Show a "toast" message on platforms that don't support opening a text editor, when you try to create/open a texture ini file.
* Avoid the need to ifdef around calls to SystemToast
* UWP buildfix (and some warning fixes).
And possibly libretro fix
* Rename for a bit more consistency
This will disappear in future Android versions but can be useful for
older devices.
Fixes (or at least tries to) #10199, at least for some devices.
Might help #13827 ?
Tested on Pocophone F1.
* Move and rename file_util/fd_util to Common/File/FileUtil and DirListing
Let's also move net while we're at it.
Move the ZIM/PNG loaders over to Common.
Move the UI framework into Common
iOS buildfix
* Buildfix
* Buildfixes
* Apple buildfix
* This typo again..
* UWP buildfix
* Fix build of PPSSPPQt, such as it is (it's not in good condition...)
* Guess what? Another buildfix.
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
Also move colorutil.cpp/h
linking build fix experiment
Delete a bunch of unused CMakeLists.txt files
CMakeLists.txt linking fix
Don't include NativeApp.h from any headers.
Android.mk buildfix
Half of the UWP fix
Buildfix
Minor project file cleanup
Buildfixes
Guess what? More buildfixes!