Small fix to find CppUTest library on case sensitive systems.

git-svn-id: https://svn.apache.org/repos/asf/celix/trunk@1632597 13f79535-47bb-0310-9956-ffa450edef68
CELIX-170: The installBundle function should always release its lock and not set the return status.

git-svn-id: https://svn.apache.org/repos/asf/celix/trunk@1632598 13f79535-47bb-0310-9956-ffa450edef68