fireFoam: Updated solver and tutorials from OpenFOAM-1.7.x

applications/solvers/combustion/fireFoam/UEqn.H

...s/solvers/combustion/fireFoam/combustionModels/Make/files

...oam/combustionModels/combustionModel/newCombustionModel.C

...nModels/infinitelyFastChemistry/infinitelyFastChemistry.H

...ion/fireFoam/combustionModels/noCombustion/noCombustion.H

applications/solvers/combustion/fireFoam/createFields.H

applications/solvers/combustion/fireFoam/pEqn.H

tutorials/combustion/fireFoam/les/smallPoolFire2D/0/IDefault

tutorials/combustion/fireFoam/les/smallPoolFire2D/0/p

tutorials/combustion/fireFoam/les/smallPoolFire2D/0/p_rgh

...n/fireFoam/les/smallPoolFire2D/constant/polyMesh/boundary

...ombustion/fireFoam/les/smallPoolFire2D/system/controlDict

.../combustion/fireFoam/les/smallPoolFire2D/system/fvSchemes

...combustion/fireFoam/les/smallPoolFire2D/system/fvSolution

tutorials/combustion/fireFoam/les/smallPoolFire3D/0/G

tutorials/combustion/fireFoam/les/smallPoolFire3D/0/IDefault

tutorials/combustion/fireFoam/les/smallPoolFire3D/0/T

tutorials/combustion/fireFoam/les/smallPoolFire3D/0/U

tutorials/combustion/fireFoam/les/smallPoolFire3D/0/alphaSgs

tutorials/combustion/fireFoam/les/smallPoolFire3D/0/b