CTR: Javadoc fixes (reviewing r1561778, r1561773)

Merged r1564317 from tomcat/tc7.0.x/trunk:
Fix markup: do not include unrelated text into the value of @version, @param.
Fix typo and unclosed <b> tag

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@1564320 13f79535-47bb-0310-9956-ffa450edef68
CTR: comments + discussed on dev list
Remove $Id keyword and svn:keywords property from tomcat/util/digester/**

Here '$Id$' was in the license header.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@1564323 13f79535-47bb-0310-9956-ffa450edef68
CTR: comments + discussed on dev list
Remove $Id, $Revision keywords from tomcat/**
I am replacing @version with an empty line, to preserve line numbers.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@1564325 13f79535-47bb-0310-9956-ffa450edef68
CTR: comments + discussed on dev list
Remove svn:keywords property from tomcat/**

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@1564330 13f79535-47bb-0310-9956-ffa450edef68