Merge branch 'diff_compare' into develop

Examples/Projections/test/CMakeLists.txt

Modules/Applications/AppClassification/test/CMakeLists.txt

Modules/IO/TestKernel/include/otbTestHelper.h

Modules/IO/TestKernel/include/otbTestMain.h

Modules/IO/TestKernel/src/otbTestHelper.cxx

Modules/IO/TestKernel/test/CMakeLists.txt

Modules/IO/TestKernel/test/otbCompareAsciiTests6.cxx

Modules/IO/TestKernel/test/otbTestKernelTestDriver.cxx