Remove support for droplet.status message

The text 'droplet.status' does not occur anywhere in cf-release currently.

After discussing with some team members, we believe this was a v1
feature that no longer needs to be supported.
Remove notion of production apps

Confirmed with team via email that this isn't used anymore
Update Java buildpack

This change updates the Java buildpack to its latest commit.  This
brings in changes to the version of the Auto-reconfiguration JAR and
Play JPA plugin in order connect with ElephantDB.

[#53775581]
Merge branch '53775581-update-java-buildpack' of git://github.com/nebhale/dea_ng into nebhale-53775581-update-java-buildpack
Merge pull request #38 from cloudfoundry/no-production-apps

Remove notion of production apps
Merge pull request #36 from cloudfoundry/remove-droplet-status

Remove support for droplet.status message
Remove test related to production apps
Auto-merge remote-tracking branch 'upstream/master'