Updated Ghost-Admin to 2.4.0
Updated Ghost-Admin to 2.4.0

kevinansfield/Ghost,ErisDS/Ghost,Gargol/Ghost,janvt/Ghost,kevinansfield/Ghost,janvt/Ghost,JohnONolan/Ghost,TryGhost/Ghost,JohnONolan/Ghost,TryGhost/Ghost,bitjson/Ghost,Kikobeats/Ghost,Kikobeats/Ghost,kevinansfield/Ghost,bitjson/Ghost,ErisDS/Ghost,JohnONolan/Ghost,Kikobeats/Ghost,TryGhost/Ghost,e10/Ghost,e10/Ghost,Gargol/Ghost,ErisDS/Ghost