message: Keep invite button separate from space info
  caused the space info and
  invite buttons to have no separation when you are the only person in a
  space, since the margin was set on the face pile, which may be absent.
diff: @@ -214,12 +214,11 @@ $SpaceRoomViewInnerWidth: 428px;
  .mx_SpaceRoomView_info {
  display: inline-block;
  - margin: 0;
  + margin: 0 auto 0 0;
  }
  .mx_FacePile {
  display: inline-block;
  - margin-left: auto;
  margin-right: 12px;
  .mx_FacePile_faces {
  