Added CUnit build and install notes
Added CUnit build and install notes

JsonChiu/build_and_test_examples,JsonChiu/build_and_test_examples,JsonChiu/build_and_test_examples,JsonChiu/build_and_test_examples,EnfantT/build_and_test_examples,EnfantT/build_and_test_examples,EnfantT/build_and_test_examples,JsonChiu/build_and_test_examples,EnfantT/build_and_test_examples,EnfantT/build_and_test_examples,JsonChiu/build_and_test_examples,EnfantT/build_and_test_examples,EnfantT/build_and_test_examples