(bugfix) invoke Page.move correctly

- Page.move() expects a title, not a Category object.
  Bugfix for bug 65115
  I1a21e18da4f15ac8ba4eb0967fdbb64eafe5a4e6
- instantiate CategoryMoveRobot() with pep8 parameter
  names added in
  Ib77b9c80e22b84e91e53e2536e9bee7f11f6952e

Change-Id: I7b02c193fd477e434671597251b2c90b60385d76
Merge "(bugfix) invoke Page.move correctly"