Merge branch 'dev2018' of https://github.com/eiimage/eiimage into dev2018

app/CMakeLists.txt

app/Operations/QuantificationDialog.cpp

app/Operations/QuantificationDialog.h

app/Operations/QuantificationOp.cpp

app/Operations/QuantificationOp.h

app/Operations/ThresholdDialog.cpp

app/Operations/ThresholdDialog.h

app/Operations/ThresholdDialogTest.cpp

app/Operations/ThresholdOp.cpp

app/Operations/ThresholdOp.h

app/Operations/TranslateOp.cpp

app/Operations/TranslateOp.h

test/README.txt

test/ref/test_8x8dct_result_barba.bmp

test/ref/test_8x8dct_result_basisDCT.bmp

test/ref/test_8x8dct_result_monarch.bmp

test/ref/test_8x8dctinverse_result_barba.bmp

test/ref/test_8x8dctinverse_result_basisDCT.bmp

test/ref/test_8x8haarTransform_result_basisHaar.bmp

test/ref/test_8x8hadamardTransform_result_basisHadamard.bmp