Merge branch 'refactor-keypoints-tests' into 'develop'

Modules/Feature/Descriptors/test/CMakeLists.txt

...les/Feature/Descriptors/test/otbDescriptorsTestDriver.cxx

...ImageToFastSIFTKeyPointSetFilterOutputDescriptorAscii.cxx

...geToFastSIFTKeyPointSetFilterOutputInterestPointAscii.cxx

...ptors/test/otbImageToSIFTKeyPointSetFilterDistanceMap.cxx

...ptors/test/otbImageToSIFTKeyPointSetFilterOutputAscii.cxx

.../otbImageToSIFTKeyPointSetFilterOutputDescriptorAscii.cxx

...ptors/test/otbImageToSIFTKeyPointSetFilterOutputImage.cxx

...bImageToSIFTKeyPointSetFilterOutputInterestPointAscii.cxx

.../otbImageToSURFKeyPointSetFilterOutputDescriptorAscii.cxx

...bImageToSURFKeyPointSetFilterOutputInterestPointAscii.cxx

...eature/Descriptors/test/otbKeyPointSetsMatchingFilter.cxx

...s/Feature/Descriptors/test/otbKeyPointsAlgorithmsTest.cxx