strat: no longer materially constrained by sm session limit

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "86c2eec8"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "86c2eec8"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

ams: bump to 0.19.1

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "68ddbc73"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "68ddbc73"
git-subrepo:
  version:  "0.4.1"
  origin:   "???"
  commit:   "???"

docs: add 0.19.1 changelog

ncm: fix iteration of nested-subdirectory content files

boot2: migration also not launched in 12.0.0

ncm: fix random error when deleting content

git subrepo push libraries ...

subrepo:
  subdir:   "libraries"
  merged:   "44279dbac"
upstream:
  origin:   "https://github.com/Atmosphere-NX/Atmosphere-libs"
  branch:   "master"
  commit:   "44279dbac"
git-subrepo:
  version:  "0.4.1"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "a04d8c2"

git subrepo push emummc ...

subrepo:
  subdir:   "emummc"
  merged:   "b355ee6a8"
upstream:
  origin:   "https://github.com/m4xw/emuMMC"
  branch:   "develop"
  commit:   "b355ee6a8"
git-subrepo:
  version:  "0.4.1"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "a04d8c2"

git subrepo pull emummc ...

subrepo:
  subdir:   "emummc"
  merged:   "38ed90b6e"
upstream:
  origin:   "https://github.com/m4xw/emuMMC"
  branch:   "develop"
  commit:   "5a29e1b2c"
git-subrepo:
  version:  "0.4.1"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "a04d8c2"

changelog: add note about extensions needing recompile

docs: add changelog for 0.19.0

usb: add usb3.0 patches for 12.0.0

fs: add (stubbed) OperateRangeWithBuffer implementation

erpt: add (stubbed, TODO after 0.19.0) support for 12.0.0

boot2: grc is no longer launched by boot2 on 12.0.0+

pgl: update to use tipc (untested)

strat: changes for sm tipc (boots 11.0.1, now)

tipc: Result is first raw data word, not last

tipc/sm: various fixes for issues

sm: reimplement using tipc instead of cmif (probably broken, untested)

tipc: server processor fixes (compiles!)

tipc: implement ServerManager processing logic

tipc: implement framework/server support logic (except for actual processing)

tipc: fix deserialization of buffers

tipc: hard-enforce boolean constraints in command processing generation

tipc: implement service object interface generation

tipc: first draft object allocation logic

tipc: fix compilation issues with core serialization routines