make_boot now copies .conf and security.db files into temp\...\firebird, if it not exists there before.
yachts.lnk and security.fdb now symlinks, not a copy of metadata.fdb and securityXXX.fdb.
It allows to avoid binding to the particular MSVC compiler version.
Undo most of the changes in cloop.vcxproj to restore ability to use MSVC older than v2017.