Update of #255 fix ("Error in Revolute's handling of non-normalized axis of rotations"):
Introduce a separate function "normalizeWithAssert(v) = v/sqrt(v*v)" that triggers an
assert if v is the zero vector. Undid the change for normalize(v,eps) and removed the
assert here. Changed at all places normalize(n,0.0) by normalizeWithAssert(n).


git-svn-id: https://svn.modelica.org/projects/Modelica/trunk@6161 7ce873d0-865f-4ce7-a662-4bb36ea78beb