* [vcpkg] Add initial JSON support

This adds a JSON parser, as well as the amount of unicode support
required for JSON parsing to work according to the specification. In the
future, I hope to rewrite our existing XML files into JSON.

Additionally, as a drive-by, we've added the following:

* add /wd4800 to pragmas.h -- this is a "performance warning", for when
  you implicitly convert pointers or integers to bool, and shouldn't be
  an issue for us.
* Switched Parse::ParserBase to read unicode (as utf-8), as opposed to
  ASCII
* Building again under VCPKG_DEVELOPMENT_WARNINGS, yay!

This command takes a list of ports, and causes the final state of the
installed directory to be as-if one ran the install on an empty
installed directory (removing any unnecessary packages).

This is especially useful with the new `--x-install-root` option, which
allows one to set the `installed` directory for vcpkg to use.

Additionally, as a drive-by, we do some `stdfs` clean-up and add a
`.is_feature()` member function to BinaryParagraph (as opposed to
checking for `.feature().empty()`, which is far less clear to read).

This feature is experimental.

* update qscintilla to 2.11.4

* Update portfile.cmake

* for CI test

* undo

* add !osx support

* fix osx build error

* Update ci.baseline.txt

* Update ci.baseline.txt

* [ci.baseline.txt] Revert line endings change

* [qscintilla] Restore vcpkg_copy_pdbs()

Co-authored-by: Robert Schumacher <roschuma@microsoft.com>

* [abseil] Fix CompressedTuple move constructor on MSVC

* [abseil] Add comment for new patch

* [libarchive] fix static linkage of libarchive in dependent ports (non yet)

* [libuv] fix static builds of dependent ports

* modernize portfiles

* remove POSIX_REGEX_LIB=NONE 
since it is added elsewhere

* remove debug message

* [xerces-c] Update to version 3.2.3

Drop patch no-symlinks-in-static-build.patch (fixed upstream)

* [xerces-c] Correct version number

* [xerces-c] Remove no-symlinks-in-static-build.patch

* [c4core] Add new port

* Remove deprecated include

* Fix ver regarding maintainer guide

* Mark port as unsupport arm/arm64

* Update CI baseline

* Mark port as unsupport OSX

* Update CI baseline

* Fix path to header instead of moving

Signed-off-by: vvandrounik <vvandrounik@gmail.com>

* Replace deprecated func vcpkg_extract_source_archive, add PREFER_NINJA to conf