Review of r1616584
- Explicitly reference the classloader of PoolProperties class, to keep the old behaviour of Class.forName.
It matters in unlikely theoretical case if PoolProperties$InterceptorDefinition class is being extended (subclassed).
- s/StringBuffer/StringBuilder/

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1617165 13f79535-47bb-0310-9956-ffa450edef68