INT: refactored wave model code

src/waveModels/Make/files

...rationModels/base/irregularWaveModel/irregularWaveModel.C

...rationModels/base/irregularWaveModel/irregularWaveModel.H

...GenerationModels/base/regularWaveModel/regularWaveModel.C

...GenerationModels/base/regularWaveModel/regularWaveModel.H

...nerationModels/base/solitaryWaveModel/solitaryWaveModel.C

...nerationModels/base/solitaryWaveModel/solitaryWaveModel.H

...tionModels/base/waveGenerationModel/waveGenerationModel.C

...tionModels/base/waveGenerationModel/waveGenerationModel.H

...ularMultiDirectional/irregularMultiDirectionalWaveModel.C

...ularMultiDirectional/irregularMultiDirectionalWaveModel.H