pom.xml: upgrade:
maven-gpg-plugin to 1.5
maven-scm-plugin to 1.9
wagon-ssh to 2.6
maven-jxr-plugin to 2.4
commons-lang3 to 3.3
slf4j to 1.7.6
jfreechart to 1.0.17

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9152 5f5364db-9458-4db8-a492-e30667be6df6
update commons-lang to 3.3 change notice added

git-svn-id: svn://svn.code.sf.net/p/htmlunit/code/trunk@9153 5f5364db-9458-4db8-a492-e30667be6df6