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* 2.3 *
+ Removed guards around include directives

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* 2.2.5 *
+ cgal_test now writes diff of output and expected output

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* 2.2.4 *
+cgal_test now writes to ProgramOutput* file
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* 2.2.3 *
+Small change to test/cgal_test

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* 2.2.2 *
+Added a few using declarations to test files

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* 2.2.1 *
+Adapted cgal_test and makefile in test directory to new install_cgal script