Clean-up
 - Consistent whitespace
 - Fix Java8 Javadoc warnings
 - Remove unnecessary synchronized

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1637890 13f79535-47bb-0310-9956-ffa450edef68
Add a utility method that will make it easier to get the StringManager for a given class.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1637892 13f79535-47bb-0310-9956-ffa450edef68