ENH: align foamToEnsightParts internals with foamToEnsight

...stProcessing/dataConversion/foamToEnsight/foamToEnsight.C

.../postProcessing/dataConversion/foamToEnsight/readFields.C

...tProcessing/dataConversion/foamToEnsight/writeDimFields.H

...tProcessing/dataConversion/foamToEnsight/writeVolFields.H

...stProcessing/dataConversion/foamToEnsightParts/Make/files

...Processing/dataConversion/foamToEnsightParts/Make/options

...ing/dataConversion/foamToEnsightParts/convertLagrangian.H

...g/dataConversion/foamToEnsightParts/convertVolumeFields.H

...ssing/dataConversion/foamToEnsightParts/findCloudFields.H

...Processing/dataConversion/foamToEnsightParts/findFields.H

...ng/dataConversion/foamToEnsightParts/foamToEnsightParts.C

...Processing/dataConversion/foamToEnsightParts/readFields.C

...Processing/dataConversion/foamToEnsightParts/readFields.H

...essing/dataConversion/foamToEnsightParts/writeDimFields.H

...essing/dataConversion/foamToEnsightParts/writeVolFields.H