[vcmi] (6 commits) ...Update changelog

Summary of changes: c965fb1... This patch is no longer required (*) f973172... Avoid using git commit hash (*) 2be5a39... boost-devel pulls in these deps (*) a29398a... Can be built with ffmpeg-free-devel as well (*) 2ab69d4... Switch to SPDX license identifiers (*) 8c2da46... Update changelog (*) This commit already existed in another branch; no separate mail sent