Update to UPDATE.txt
Update to UPDATE.txt

- indicate that a git pull is all that is normally needed.
FIRSTdotorg/MISP,crruthe/MISP,TheDr1ver/MISP,TheDr1ver/MISP,cristianbell/MISP,FIRSTdotorg/MISP,cristianbell/MISP,devnull-/MISP,crruthe/MISP,cristianbell/MISP,devnull-/MISP,FloatingGhost/MISP,Rafiot/MISP,Rafiot/MISP,Rafiot/MISP,crruthe/MISP,MISP/MISP,Rafiot/MISP,FloatingGhost/MISP,cristianbell/MISP,devnull-/MISP,FloatingGhost/MISP,crruthe/MISP,SteveClement/MISP,TheDr1ver/MISP,devnull-/MISP,MISP/MISP,TheDr1ver/MISP,SteveClement/MISP,MISP/MISP,MISP/MISP,SteveClement/MISP,FloatingGhost/MISP,FIRSTdotorg/MISP,SteveClement/MISP,MISP/MISP,SteveClement/MISP,FIRSTdotorg/MISP