MRG: synchronize with branch 'develop', into bugfix-1278

CMake/OTBCheckTargetSystemArch.cmake

CMake/i18n_qt4.cmake

CMake/otbcli.sh.in

CMake/otbgui.sh.in

CMakeLists.txt

Documentation/Cookbook/rst/Installation_Macx.txt

Modules/Adapters/QtAdapters/include/otbQtAdapters.h

Modules/Adapters/QtAdapters/src/otbQtAdapters.cxx

...tions/AppClassification/app/otbMultiImageSamplingRate.cxx

...lications/AppProjection/app/otbRigidTransformResample.cxx

.../Interpolation/include/otbBCOInterpolateImageFunction.txx

Modules/Feature/Descriptors/include/otbSiftFastImageFilter.h

...tering/Projection/include/otbGroundSpacingImageFunction.h

Modules/Filtering/Statistics/include/otbPatternSampler.h

Modules/Filtering/Statistics/include/otbPeriodicSampler.h

Modules/Filtering/Statistics/include/otbRandomSampler.h

Modules/Filtering/Statistics/include/otbSamplerBase.h

...ndedFilename/include/otbExtendedFilenameToReaderOptions.h

...ndedFilename/include/otbExtendedFilenameToWriterOptions.h

...Learning/Sampling/include/otbImageSampleExtractorFilter.h