TEv19 & FESv6 - renaming, correction for FES.

TEv19 & FESv6:
-> Changed file names, and internal catalogue titles

FESv6:
-> Added Bonding Knife Ritual requirement for XV88s in Firebase Support Cadre

PS. Sorry for mash-up, but last time I've uploaded two Tau Codex catalogues, one named as FESup (so in fact no one ever donwloaded FESv5 with Firebase Support Cadre). This time it's correct!