Standardize ALL translations (& add missing ones)

app/Operations/BFlitOp.cpp

app/Operations/CenterOp.cpp

app/Operations/CenterOp.h

app/Operations/ColorimetryOp.cpp

app/Operations/CombineColorOp.cpp

app/Operations/CroissanceOp.cpp

app/Operations/DMMOp.cpp

app/Operations/EntropyOp.cpp

app/Operations/FFTOp.cpp

app/Operations/FlipOp.cpp

app/Operations/HistogramOp.cpp

app/Operations/HuffmanOp.cpp

app/Operations/IFFTOp.cpp

app/Operations/MeanSquaredErrorOp.cpp

app/Operations/NoiseOp.cpp

app/Operations/PointOp.cpp

app/Operations/PseudoColorOp.cpp

app/Operations/QuantificationOp.cpp

app/Operations/RandomImgOp.cpp

app/Operations/RejectionRingOp.cpp