ENH: refCast: give better error messages. Fixes #953.

src/OpenFOAM/db/typeInfo/typeInfo.H

...ointPatchFields/constraint/cyclic/cyclicPointPatchField.C

...tchFields/constraint/processor/processorPointPatchField.C

...nstraint/processorCyclic/processorCyclicPointPatchField.C

...s/constraint/symmetryPlane/symmetryPlanePointPatchField.C

.../fields/faPatchFields/basic/coupled/coupledFaPatchField.C

...elds/faPatchFields/constraint/cyclic/cyclicFaPatchField.C

...aPatchFields/constraint/processor/processorFaPatchField.C

...ds/faePatchFields/constraint/cyclic/cyclicFaePatchField.C

...PatchFields/constraint/processor/processorFaePatchField.C

.../fields/fvPatchFields/basic/coupled/coupledFvPatchField.C

...elds/fvPatchFields/constraint/cyclic/cyclicFvPatchField.C

...atchFields/constraint/cyclicACMI/cyclicACMIFvPatchField.C

...vPatchFields/constraint/cyclicAMI/cyclicAMIFvPatchField.C

...vPatchFields/constraint/processor/processorFvPatchField.C

.../constraint/processorCyclic/processorCyclicFvPatchField.C

...elds/constraint/symmetryPlane/symmetryPlaneFvPatchField.C

...veBaffleVelocity/activeBaffleVelocityFvPatchVectorField.C

...ity/activePressureForceBaffleVelocityFvPatchVectorField.C

...FluxFixedValue/mappedVelocityFluxFixedValueFvPatchField.C