[maven-release-plugin] prepare release 0.4
[maven-release-plugin] prepare release 0.4

julienlavergne/jongo,joune/jongo,shelsonjava/jongo,joune/jongo,applango/jongo,shelsonjava/jongo,bguerout/jongo,bguerout/jongo,ctrimble/jongo,julienlavergne/jongo,edwardmlyte/jongo,edwardmlyte/jongo,applango/jongo,edaubert/jongo,edaubert/jongo,dgit-hub/jongo,ctrimble/jongo,dgit-hub/jongo