* Logger class changes only
Now compile-time checking is possible with the help of Nullable Value
types.
* Misc formatting
* Manual optimizations
PrintGuestLog
PrintGuestStackTrace
Surfaceflinger DequeueBuffer
* Reduce SendVibrationXX log level to Debug
* Add Notice log level
This level is always enabled and used to print system info, etc...
Also, rewrite LogColor to switch expression as colors are static
* Unify unhandled exception event handlers
* Print enabled LogLevels during init
* Re-add App Exit disposes in proper order
nit: switch case spacing
* Revert PrintGuestStackTrace to Info logs due to #1407
PrintGuestStackTrace is now called in some critical error handlers
so revert to old behavior as KThread isn't part of Guest.
* Batch replace Logger statements
* Implement SwKbd GUI
* Relocate UI handler to Emu Context from Config
Also create a common interface for UI handlers in the context and specialize for Gtk
Add basic input length validation in InputDialog
* Add Transfer Memory support to AppletCreator
Read Initial Text for SwKbd using Transfer Memory
* Improve InputDialog widget
Improve length validation
Has extra label to show validition info
Handle potential errors and log them
* Misc improvements
* Improve string validation
* Improve error handling
* Remove tuple in struct
* Address formatting nits
* Add proper Cancel functionality
Also handle GUI errors in UI handler
* Address jD's comments
* Fix _uiHandler init
* Address AcK's comments
