The standard/previous general symmetry type is now named symmetry
    both in class and lookup name for consistency.  The rigorous
    symmetryPlane type is needed for moving-mesh cases in which the
    motion it constrained by one or two planes.

etc/controlDict: Set SolverPerformance debug switch default to 1

writeAddSubtractField.C: explicitly dereference tmp to keep clang3.2 happy