minor formatting/coding changes

...s/utilities/preProcessing/dsmcInitialise/dsmcInitialise.C

src/lagrangian/dsmc/clouds/Templates/DsmcCloud/DsmcCloud.H

...ian/dsmc/clouds/baseClasses/DsmcBaseCloud/DsmcBaseCloud.H

src/lagrangian/dsmc/clouds/derived/dsmcCloud/dsmcCloud.H

...lagrangian/dsmc/parcels/Templates/DsmcParcel/DsmcParcel.H

src/lagrangian/dsmc/parcels/derived/dsmcParcel/dsmcParcel.H

...ollisionModel/BinaryCollisionModel/BinaryCollisionModel.H

...isionModel/BinaryCollisionModel/NewBinaryCollisionModel.C

...aryCollisionModel/VariableHardSphere/VariableHardSphere.C

...aryCollisionModel/VariableHardSphere/VariableHardSphere.H

...allInteractionModel/MaxwellianThermal/MaxwellianThermal.C

...allInteractionModel/MaxwellianThermal/MaxwellianThermal.H

...lInteractionModel/SpecularReflection/SpecularReflection.H

...ctionModel/WallInteractionModel/NewWallInteractionModel.C

...eractionModel/WallInteractionModel/WallInteractionModel.H