Changed bulk-email error to EmailError
Changed bulk-email error to EmailError

no issue

- this error is more suitable than the generic GhostError

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