Version bump to 2.28.1
Version bump to 2.28.1

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