#1523 fixed (Move block + MultiBody model can give issues with index reduction):
- Corrected Modelica.Mechanics.Rotational.Sources.Move
- Corrected Modelica.Mechanics.Translational.Sources.Move
- Added test model ModelicaTest.MultiBody.PlanarLoopWithMove.

git-svn-id: https://svn.modelica.org/projects/Modelica/trunk@7725 7ce873d0-865f-4ce7-a662-4bb36ea78beb