htc: disable socket driver, needs design thought before we can turn it on for real.

htc: implement socket driver (socket api not really impl'd yet)

htc: configure usage via system setting

htc: fixes, can now enter ReadyState with wip starlink code

htc: finish last code for Main()

htc: add htcfs server/service object skeletons

htcs: add hipc server/service object skeletons

htc: ObserverThread (mostly), system now boots + works with htc in bg

htc: implement psc/pm loop

htc: hook up creation of the htc manager service object

htc: module id names, skeleton rest of main

rapidjson: add customization point for allocation/asserts

htc: skeleton some more of main

htc: skeleton main file/sysmodule dir

kern: alleviate a little KPort pressure.

sm: fix abort on RegisterService while at port limit ...

closes #1382

dmnt: set the debug process handle slightly more carefully

fs.mitm: fix cache of non-current-process data storages (closes #1371)

dns.mitm: allow nullptr for port string (closes #1352)

dns.mitm: fix hosts file parsing bug

dns.mitm: make line ordering explicit, rather than implicit. ...

This doesn't actually change functionality, because this is how std::unordered_map worked anyway...

...but it's better for us to be explicit, I think.

dns.mitm: add documentation

dns.mitm: support % in hosts file as stand-in for environment identifier

dns.mitm: fix ABORT_UNLESS -> ABORT

dns.mitm: hint = {} fix in options

dns.mitm: add GetAddrInfo redir, AtmosphereReloadHostsFile, debug logging control

dns.mitm: fix inverted hostname detection

dns.mitm: support wildcards in hosts

dns.mitm: edit default behavior/hosts filenames

dns.mitm: fix issue in host file parsing