Loader: Greatly simplify mapping logic, add CodeMemory mapper.

Loader: Add NRRInfo to RegisteredProcess, refactor Registration::

Loader: Service ldr:ro on <= 2.3.0

Loader: Implement ldr:ro->Initialize()

Loader: Push ldr:ro stub.

Loader: is_64_bit -> is_64_bit_addspace

Loader: Save process->is_64_bit as prep for ldr:ro

Loader: Properly map BSS as rw.

Loader: Fix bugs in CreateProcess(), which now succeeds on hardware (1.0.0)

Loader: Finish Loader::CreateProcess().

Loader: Implement all remaining parts of CreateProcess except LoadNsoSegment.

Loader: Implement argument passing.

Loader: Implement most of LoadNsosIntoProcessMemory

Loader: Implement RandomUtils (for ASLR)

Loader: Implement NSO Extent calculation (note: ASLR currently disabled due to lack of entropy source.)

Loader: Implement mappable-region locating functions.

Clean up Nso fopen semantics

Loader: Call svcCreateProcess()

Loader: Implement InitializeProcessInfo()

Loader: Fix off-by-one in SDK nso header loading.

Loader: Add Nso Header loading, loadset validation in CreateProcess

Loader: Fix KAC parsing infloop.

Loader: Remove Kernel Caps parsing TODO.

Loader: Implement Kernel Capability parsing/validation.

Stratosphere: Make TODOs for Loader::CreateProcess().

Stratosphere: Implement support for deferred commands. Finish sm GetService()'s deferred path.

Stratosphere: Move boost/callable_traits into libstratosphere

Stratosphere: extract common code to libstratosphere.

Stratosphere: Skeleton create process up through the ProcessCreation::CreateProcess() call

Stratosphere: Add handle/pid output to IPC templating, fix failure condition message preparation.