Trivial javadoc trailing asterisk.

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@8841 5f5364db-9458-4db8-a492-e30667be6df6
checkstyle: add rule for two trailing asterisks

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@8842 5f5364db-9458-4db8-a492-e30667be6df6
use system independent line breaks when building XML

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@8843 5f5364db-9458-4db8-a492-e30667be6df6