Fixed spelling errors for mysql command and php version.
Fixed spelling errors for mysql command and php version.

Also changed git clone command for lief installation.
FloatingGhost/MISP,Rafiot/MISP,MISP/MISP,SteveClement/MISP,SteveClement/MISP,Rafiot/MISP,TheDr1ver/MISP,MISP/MISP,FIRSTdotorg/MISP,MISP/MISP,FloatingGhost/MISP,FloatingGhost/MISP,devnull-/MISP,FIRSTdotorg/MISP,MISP/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,Rafiot/MISP,SteveClement/MISP,devnull-/MISP,MISP/MISP,SteveClement/MISP,TheDr1ver/MISP,devnull-/MISP,FloatingGhost/MISP,TheDr1ver/MISP,TheDr1ver/MISP,Rafiot/MISP,SteveClement/MISP,devnull-/MISP