* switch provisioners to install boost from github releases
* minor fixes
* separate boosts by toolset versions
* minor fix
* switch provisioners for win16
* fix bugs
* fix validation
* minor fix
* fix validation
* fix validation
* fix validation
* minor fix
* change toolset version for win16
* minor fixes
* minor fix
* fix validation
* update links to toolset-json
* add arch to BoostInstallationDir
* Toolcache: add basic error handling in Windows toolcache provisioner
* Toolcache: add GITHUB_FEED_TOKEN into packer templates for Windows
* Toolcache: separate toolcache.json for Windows
* Rework "Validate-ToolCache" script (#6)
* Rework validate toolcache script
* change boost root folder
* Add boost 1.69 for windows-2019
* Add toolcache config variable to Windows 16, 19
* Revert "Add toolcache config variable to Windows 16, 19"
* Add default boost version for validate-boost VS19
* Remove bjam test for boost
* Add boost 1.72 validation for win-2016
Co-authored-by: MaksimZhukov <46996400+MaksimZhukov@users.noreply.github.com>
Co-authored-by: Aleksandr Chebotov <47745270+al-cheb@users.noreply.github.com>