Always scale the trust region explicitly

... with values expected to be given in the parameter file.

Scaling the trust region is the key to success, because in general the midsurface
deformation and the rotations will have values in different ranges.

src/cosserat-continuum.cc

@@ -289,6 +289,8 @@ int main (int argc, char *argv[]) try
                  baseTolerance,
                  instrumented);
 
+        solver.setScaling(parameterSet.get<FieldVector<double,6> >("trustRegionScaling"));
+
         ////////////////////////////////////////////////////////
         //   Set Dirichlet values
         ////////////////////////////////////////////////////////