TUT: Modified tutorials and added cyclic test case.

tutorials/multiphase/interIsoFoam/damBreak/system/fvSolution

...rials/multiphase/interIsoFoam/damBreakWithObstacle/Allrun

...nterIsoFoam/damBreakWithObstacle/constant/dynamicMeshDict

...phase/interIsoFoam/damBreakWithObstacle/system/fvSolution

...hase/interIsoFoam/discInConstantFlow/system/blockMeshDict

...tiphase/interIsoFoam/discInConstantFlowCyclicBCs/0.orig/U

...terIsoFoam/discInConstantFlowCyclicBCs/0.orig/alpha.water

...ase/interIsoFoam/discInConstantFlowCyclicBCs/0.orig/p_rgh

...tiphase/interIsoFoam/discInConstantFlowCyclicBCs/Allclean

...ultiphase/interIsoFoam/discInConstantFlowCyclicBCs/Allrun

...Foam/discInConstantFlowCyclicBCs/constant/dynamicMeshDict

...phase/interIsoFoam/discInConstantFlowCyclicBCs/constant/g

.../discInConstantFlowCyclicBCs/constant/transportProperties

...discInConstantFlowCyclicBCs/constant/turbulenceProperties

...rIsoFoam/discInConstantFlowCyclicBCs/system/blockMeshDict

...terIsoFoam/discInConstantFlowCyclicBCs/system/controlDict

...oFoam/discInConstantFlowCyclicBCs/system/decomposeParDict

...interIsoFoam/discInConstantFlowCyclicBCs/system/fvSchemes

...nterIsoFoam/discInConstantFlowCyclicBCs/system/fvSolution

...Foam/discInConstantFlowCyclicBCs/system/setAlphaFieldDict