CELIX-64: Updated failing tests. Added comment to BUILDING for correct CppUTest usage.

git-svn-id: https://svn.apache.org/repos/asf/incubator/celix/trunk@1551506 13f79535-47bb-0310-9956-ffa450edef68
CELIX-91: Applied patch.

git-svn-id: https://svn.apache.org/repos/asf/incubator/celix/trunk@1551507 13f79535-47bb-0310-9956-ffa450edef68