Upgrade to jdocbook plugin 2.3.0, see JBRULES-2661
Upgrade to jdocbook plugin 2.3.0, see JBRULES-2661

git-svn-id: a243bed356d289ca0d1b6d299a0597bdc4ecaa09@35016 c60d74c8-e8f6-0310-9e8f-d4a2fc68ab70

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