Fix the Java 8 Javadoc warnings in the tests by removing pointless Javadoc and changing comments with problems to non-Javadoc format

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1635091 13f79535-47bb-0310-9956-ffa450edef68
Fix alias for cookie rewrite flag, should be CO rather than C.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1635093 13f79535-47bb-0310-9956-ffa450edef68