* [vcpkg ci:osx] Remove brew install
* add instructions for creating a new vagrant box
* fix the vagrant scripts for the new box
* finish fixing the setup
* [mecab jxrlib] fix ports for CI
mecab needed to use an actual ref that wasn't master,
and jxrlib needed a patch for xcode 12 CLTs.
Additionally, this fixes the mecab version to be a date, the date of the last commit,
since `1.0` is not the correct version (mecab doesn't have released versions)
* [many ports] fix compile with Xcode 12 CLTs
This mostly means fixing errors on implicit-function-declaration,
and removing some Werrors
* alac-decoder
* apr
* argtable2
* arrow
* hyperscan
* mcpp
* minizip
* mosquitto
* stormlib
* [many ports] even more Xcode 12 CLT fixes
* [jxrlib darknet] fix the last ports! (hopefully)
* CRs, plus minor wip changes to osx scripts
* [vcpkg-ci] fix macos setup scripts
* the disk feature is still experimental
* fix Get-InstalledVirtualBoxExtensionPacks
* use new bash install script for brew
instead of old-style ruby