STYLE : try/catch blocs supression in ChangeDetection testing.

Testing/Code/ChangeDetection/otbCBAMIChangeDetectionTest.cxx

Testing/Code/ChangeDetection/otbChangeDetectionTests1.cxx

Testing/Code/ChangeDetection/otbChangeDetectionTests2.cxx

...ing/Code/ChangeDetection/otbCorrelChangeDetectionTest.cxx

Testing/Code/ChangeDetection/otbJHMIChangeDetectionTest.cxx

...ChangeDetection/otbKullbackLeiblerDistanceImageFilter.cxx

...ngeDetection/otbKullbackLeiblerDistanceImageFilterNew.cxx

.../ChangeDetection/otbKullbackLeiblerProfileImageFilter.cxx

...angeDetection/otbKullbackLeiblerProfileImageFilterNew.cxx

Testing/Code/ChangeDetection/otbLHMIChangeDetectionTest.cxx

...g/Code/ChangeDetection/otbMeanDiffChangeDetectionTest.cxx

.../Code/ChangeDetection/otbMeanRatioChangeDetectionTest.cxx