Version bump to 2.4.0
Version bump to 2.4.0

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