ENH: move Testing/Example to Testing/Applications

Testing/Applications/Example/CMakeLists.txt

Testing/Applications/Example/otbAllocateOutputTest.cxx

Testing/Applications/Example/otbCopyInputTest.cxx

Testing/Applications/Example/otbInternalReaderTest.cxx

Testing/Applications/Example/otbRescaleTest.cxx

Testing/Applications/Example/otbSmoothingTest.cxx

Testing/Applications/Example/otbSmoothingTest2.cxx

...cations/Example/otbWrapperExampleTests_AllocateOutput.cxx

...Applications/Example/otbWrapperExampleTests_CopyInput.cxx

...cations/Example/otbWrapperExampleTests_InternalReader.cxx

...g/Applications/Example/otbWrapperExampleTests_Rescale.cxx

...Applications/Example/otbWrapperExampleTests_Smoothing.cxx

...pplications/Example/otbWrapperExampleTests_Smoothing2.cxx