Fix Javadoc warnings

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/dbcp/trunk@1626984 13f79535-47bb-0310-9956-ffa450edef68
Fix IDE nag

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/dbcp/trunk@1626985 13f79535-47bb-0310-9956-ffa450edef68
Do not ignore the configured custom eviction policy when creating a BasicDataSource.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/dbcp/trunk@1626987 13f79535-47bb-0310-9956-ffa450edef68