BUGFIX: U and Urel were different with omega=0
Bugfix relocates iEqn/hEqn to outside of p/U-system. Otherwise Urel is calculated explicitly from U before U is corrected in pEqn. Author: Dominik Christ. Merge: Dominik Christ
Adjusted setSet.batch to produce smooth MRF zone side
BUGFIX: Change to setSet.batch to make MRF zone smooth. Author: Dominik Christ. Merge: Dominik Christ.