Add support for receiving X descriptors (works on console)

Stratosphere: Add debugging to loader, it can now be talked to on console successfully.

Stratosphere: Skeleton actual IPC dispatch in ServiceSession

Stratosphere: Add missing priority updates

Stratosphere: Fill out Loader main(), fix template classes.

Turns out WaitableManager->delete_waitable() wasn't needed

Stratosphere: Add IWaitable, WaitableManager

Stratosphere: Skeleton templated IPC Server code

Stratosphere: Skeleton ldr:shel

Stratosphere: Skeleton more of ldr:dmnt->Dispatch()

Stratosphere: Skeleton ldr:dmnt

Stratosphere: Fix removed add() in Launch Queue

Stratosphere: Launch Queue C style lib -> namespace

Stratosphere: Add Launch Queue to Loader ...

Modified from RE done by @ogniK5377

Fix C++ header includes

Stratosphere: Make dir for loader

Fusee: Fix overflow condition in SD KIP merging

Fusee: Update INI1 size after patching

Fusee: Actually write SD path in stratosphere_merge_inis

Exosphere: Support unsigned/plaintext Package2s if signature is clear.

Stratosphere: Add support for custom KIPs/INI in Fusee

Fusee Stage 2: Flesh out Package2 patching (implement decryption, fixing of metadata)

Skeleton out framework for patching package2.

Fusee Stage2: skeleton more of the nxboot process

Add skeleton architecture for displaying custom splash screen

Restore incorrectly deleted files

Fusee Stage 2: Make references to external (stage 1) memory internal.

Fusee stage 2: Fix up loader (no stage 3!). Skeleton chainload behavior.

Remove stage3 refs from Makefile

Turns out we actually don't need a third stage for Fusee