DocBook example from Java Magazin 7.2012 added.
Added example extracted from Spring Data JPA
a test.
add other language of docbook-pdf.
add cmake hightlight xsl.
modify docbook style.
change distribution url to local nexus repos.
some modify.
add some images.
add chinese font support.
Merge branch 'master' of piaolingxue.github.com:piaolingxue/docbook-demos