Trailing whitespace

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1436813 13f79535-47bb-0310-9956-ffa450edef68
Add license
tabs -> spaces
remove trailing whitespace

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1436814 13f79535-47bb-0310-9956-ffa450edef68
Populate some Javadoc

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1436816 13f79535-47bb-0310-9956-ffa450edef68
Add some constants and make use of them

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1436820 13f79535-47bb-0310-9956-ffa450edef68