- the averaging of the velocities was supposed to be accomplished in the

  model. 
- Thus, the name of the steering-property changed. 
- However, an old name went into the repository: changed back.


git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@6709 2fb0f335-1f38-0410-981e-8018bf24f1b0