Switch to using the Codehaus Nexus for snapshot and release artefacts.
build reference documentation with asciidoc

 - "gradle asciidoctor" works
 - chapters are empty
Merge pull request #3 from ollin/hackergartenzh-2014-06

build reference documentation with asciidoc
Merge pull request #3 from GPars/master

Adopting ASCIIDoc