ProcessManager: Add pm:info, fix pm:shell missing qualifiers

ProcessManager: Implement almost all of pm:shell

Process Manager: Add stub for pm:shell

Process Manager: Make process flag updating version agnostic, handle 5.x dead process semantics.

ProcessManager: Make launch flag parsing version agnostic.

ProcessManager: Implement core process management logic.

Stratosphère: Simplify some for loops (#76) ...

Simplifies some loops by removing the need to manually calculate or
re-specify the array size. Eliminates any chance of using the
wrong size and less typing.

ProcessManager: Fill out ProcessTracking::Initialize()

Boot: Implement initial GPIO configuration

ProcessManager: fix critical typo in sarcastic comment

ProcessManager: Stub ProcessTracking code.

ProcessManager: Acquire ldr:pm during init.

Stratosphere: Add IPC templating for non-member functions.

ProcessManager: Add BootModeInterface

Stratosphere: Begin work on PM.

Loader: Fix bugs ldr:ro, Loader now works fully on hardware.

SM: After checking docs, kernelAbove400() -> kernelAbove500()

SM: Add compile-time smhax flag, finishing module. (Closes #62)

Loader: Fix (all?) remaining bugs in ldr:pm. ...

Loader now works when booted as a KIP1. NOTE: ldr:ro still needs
debugging.

Boot2: Remove svcExitProcess (handled by libnx).

Boot2: Fix comment.

boot2: exit process at end of main().

Implement boot2 sysmodule.

Stratosphere: Fix remaining bugs in sm, which now works as a KIP1 on hardware

Loader: Finish ldr:ro

Loader: Add ldr:ro->LoadNro()

Loader: fix missing NULL assignment

Loader: Automatically unload NRRs on service close.

Loader: Implement ldr:ro->UnloadNrr()

Loader: Implement ldr:ro->LoadNRR(). NOTE: No sigchecks, at the moment.