CTR: comments + discussed on dev list
Remove keywords from java/javax/**

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@1564383 13f79535-47bb-0310-9956-ffa450edef68
CTR: comments + discussed on dev list
Remove svn:keywords from the rest of files in Tomcat 6.
Update changelog.
Keywords removal in Tomcat 6 is done.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@1564392 13f79535-47bb-0310-9956-ffa450edef68