Makes the class interface consistent and provides accessors for
obtaining a reference to the memory manager instance.

Given we also return references, this makes our more flimsy uses of
const apparent, given const doesn't propagate through pointers in the
way one would typically expect. This makes our mutable state more
apparent in some places.

renderer_opengl: Implement a new shader cache.

yuzu: Fix input UI direction order for the right stick

kernel/error: Amend several error codes

shader_bytecode: fix SEL_IMM bitstring

vfs_real: Remove unused variable in CreateDirectoryRelative()

file_util: Correct return value in early exit of ReadFileToString()

core: Namespace all code in the arm subdirectory under the Core namespace

registered_cache: Get rid of variable shadowing in ProcessFiles()

Prevents compiler warnings.

hex_util: Replace logic_errors with LOG_CRITICAL

 svc: Return process title ID if queried in GetInfo()

debug_utils: Minor individual interface changes

PL:U Added SharedFonts loading via TTF

hid: Move core include to cpp file

core: Remove always true conditionals in Load()

set: Fixed GetAvailableLanguageCodes() to follow the max_entries

Rightnow, in games use GetAvailableLanguageCodes(), there is a WriteBuffer() with size larger than the buffer_size. (Core Critical core\hle\kernel\hle_ipc.cpp:WriteBuffer:296: size (0000000000000088) is greater than buffer_size (0000000000000078))

0x88 = 17(languages) * 8
0x78 = 15(languages) * 8

GetAvailableLanguageCodes() can only support 15 languages.
After firmware 4.0.0 there are 17 supported language instead of 15, to enable this GetAvailableLanguageCodes2() need to be used.
So GetAvailableLanguageCodes() will be caped at 15 languages.
Reference:
http://switchbrew.org/index.php/Settings_services

maxwell3d: Move FinishedPrimitiveBatch event after AcceleratedDrawBatch()

gl_rasterizer: Correct assertion condition in SyncLogicOpState()

We can make this error code an alias of the resource limit exceeded
error code, allowing us to get rid of the lingering 3DS error code of
the same type.

We can treat this as an alias of TooLarge for documentation purposes.
This also lets us get rid of another lingering 3DS-related error code.

This replaces the lingering 3DS constant with the proper one, and
utilizes it within HandleTable's Create() member function.

filesystem: Fix typo in log message

We already have the variable itself set up to perform this task, so we
can just return its value from the currently executing process instead
of always stubbing it to zero.

file_sys: Add support for NAX archives

Gets all of these types and interfaces out of the global namespace.

Quite a bit of these aren't necessary directly within the debug_utils
header and can be removed or included where actually necessary.

Avoids implicit conversions.

Ensures that all class members are initialized.

The start and finish events should likely not be right after one another
like this, otherwise the batch will appear to complete immediately

qt: Add filename and title id to window title while running