* Fixes MSVC linking errors after the recent changes:
"class boost::none_t const & const boost::`anonymous namespace'
::none" (?none@?A0x518851d0@boost@@3AEBVnone_t@2@EB)
already defined in scripts_commands.lib...
* Sets the required version of boost on windows to 1.66
according to the wiki.
(cherrypicked from 3da60f84000bd7ffa5a1516839b84cdee4764448)