[release] bump to Helix 14.0 final
Merge pull request #5952 from MartijnKaijser/14.0rc4

[release] bump to Helix 14.0 final
CFile: Don't cast potential negative values to unsigned int
Merge pull request #6008 from fritsch/vfs-helix

CFile: Don't cast potential negative values to unsigned int
[skin] include last re-touched fixes
Made versiontag optional
Merge pull request #6007 from topfs2/helix_versiontag

Helix versiontag
Merge tag '14.0-Helix' into 14.0-Helix-pivos