java: Cleanup parent pom.xml and add missing sections.
java: Cleanup parent pom.xml and add missing sections.

The missing sections are required by the OSS Sonatype repository. See: http://central.sonatype.org/pages/requirements.html

Without, we would fail their checks and could not publish to Maven Central.

enisoc/vitess,applift/vitess,alainjobart/vitess,tirsen/vitess,davygeek/vitess,tirsen/vitess,mattharden/vitess,mattharden/vitess,dcadevil/vitess,mahak/vitess,tinyspeck/vitess,mahak/vitess,alainjobart/vitess,tirsen/vitess,HubSpot/vitess,vitessio/vitess,pivanof/vitess,alainjobart/vitess,mahak/vitess,mahak/vitess,rnavarro/vitess,enisoc/vitess,applift/vitess,applift/vitess,vitessio/vitess,davygeek/vitess,tinyspeck/vitess,enisoc/vitess,HubSpot/vitess,dcadevil/vitess,rnavarro/vitess,tirsen/vitess,tinyspeck/vitess,mahak/vitess,pivanof/vitess,pivanof/vitess,applift/vitess,davygeek/vitess,alainjobart/vitess,mahak/vitess,sougou/vitess,rnavarro/vitess,vitessio/vitess,alainjobart/vitess,rnavarro/vitess,applift/vitess,mattharden/vitess,sougou/vitess,enisoc/vitess,rnavarro/vitess,enisoc/vitess,HubSpot/vitess,alainjobart/vitess,tirsen/vitess,sougou/vitess,pivanof/vitess,HubSpot/vitess,pivanof/vitess,HubSpot/vitess,pivanof/vitess,tirsen/vitess,enisoc/vitess,tinyspeck/vitess,dcadevil/vitess,tirsen/vitess,pivanof/vitess,tirsen/vitess,applift/vitess,tirsen/vitess,mattharden/vitess,mattharden/vitess,tinyspeck/vitess,tinyspeck/vitess,mattharden/vitess,HubSpot/vitess,HubSpot/vitess,applift/vitess,sougou/vitess,sougou/vitess,applift/vitess,applift/vitess,mahak/vitess,sougou/vitess,pivanof/vitess,mattharden/vitess,vitessio/vitess,mattharden/vitess,mahak/vitess,davygeek/vitess,rnavarro/vitess,pivanof/vitess,rnavarro/vitess,rnavarro/vitess,enisoc/vitess,davygeek/vitess,sougou/vitess,davygeek/vitess,mattharden/vitess,tinyspeck/vitess,rnavarro/vitess,vitessio/vitess,vitessio/vitess,HubSpot/vitess,sougou/vitess,dcadevil/vitess,mattharden/vitess,dcadevil/vitess,alainjobart/vitess,davygeek/vitess,alainjobart/vitess,vitessio/vitess,vitessio/vitess,dcadevil/vitess,dcadevil/vitess,applift/vitess