ams_mitm: Implement emummc Nintendo folder redirection

fs.mitm: Implement bis protection

Implement set_mitm

strat: TitleId -> ProgramId, titles->contents

strat: split out common functionality for future meso use

libstrat: namespace remaining non-namespaced code. more new-ipc updates

sf: implement service framework enough for ro to work. ...

This completely re-does the whole interface for ipc servers.

libstrat: update for latest libnx, delete ipc in prep for rewrite

os: implement waitable management. ...

This implements waitable management for Events (and
implements Events). It also refactors PM to use new
Event/Waitable semantics, and also adds STS_ASSERT
as a macro for asserting a boolean expression. The
rest of stratosphere has been refactored to use
STS_ASSERT whenever possible.

libstrat: namespace hossynch.hpp

fatal: refactor into sts namespace

git subrepo clone https://github.com/Atmosphere-NX/libstratosphere stratosphere/libstratosphere ...

subrepo:
  subdir:   "stratosphere/libstratosphere"
  merged:   "0c5dab80"
upstream:
  origin:   "https://github.com/Atmosphere-NX/libstratosphere"
  branch:   "master"
  commit:   "0c5dab80"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"

Delete libstratosphere in prep for submodule

libstratosphere: Implement message queues

libstratosphere: refactor everything

atmosphere: extract API version management to common folder

Add and fix copyright notices for better GPL compliance (thanks @naehrwert and @CTCaer).

fs.mitm: WIP LayeredFS impl (NOTE: UNUSABLE ATM) ...

Also greatly refactors libstratosphere, and does a lot of other things.
There is a lot of code in this one.

libstratosphere/fs.mitm: Push WIP support for Domains. Not yet fully working.

fs.mitm: Add HANS-style redirection for System Data Archives.

fs.mitm: Get Title ID on fsp-srv init, Add worker to handle subinterfaces.

ProcessManager: Implement core process management logic.

ProcessManager: Fill out ProcessTracking::Initialize()

Add ExistingPortServer to libstratosphere

Stratosphere: ServiceServer<T> -> IServer<T> as abstract base class.

Stratosphere: extract common code to libstratosphere.