Upgrade Java buildpack dependencies to latest versions
Bump src/dea_next, src/loggregator

Bump cloudfoundry/dea_ng:
  Maria Shaldibina:
     Fix flaky test: regenerate droplet sha1 in start message on every call ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/17020491 )
     Don't emit staging output to loggregator ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/17014858 )
     Save warden job id to snapshot after staging task was spawned ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/16955319 )
     Snapshot additional attributes for staging task ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/16903970 )
     Use spawn/link instead of run_script in staging task ( Travis Unknown )
     Add Container#link_or_raise ( Travis Unknown )
  Ben Hale:
     Update Java Buildpack ( Travis Failed: https://travis-ci.org/cloudfoundry/dea_ng/builds/16905659 )
Bump :
  Kris Kelly:
     Send staging messages with STG source name
     Read staging tasks stdout/stderr output along with instances
     Rename instances->task to generalize container jobs
  Tony Hansmann:
     Merge pull request #9 from GarfieldLinux/master
  Dave L:
     Added info on multiple instances/scaling up
  Chris Wang:
     Allow auth token to be passed as query param (once again)
  GarfieldLinux:
     new license notice file
simplify hm9000's config.json
Bump src/dea_next

Bump cloudfoundry/dea_ng:
  Phan Le:
     Only save logs after crash ( Travis started: https://travis-ci.org/cloudfoundry/dea_ng/builds/17037022 )
  Abhijit Hiremagalur:
     Switch back to latest, vanilla Heroku nodjs buildpack ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/17032705 )
     Stop when shelling out fails ( Travis Unknown )
     Assert that HTTP_PROXY is conveyed to staging env ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/17026608 )
     Update bcrypt to work with new heroku buildpack ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/17026088 )
  David Julia:
     Update README.md ( Travis Success: https://travis-ci.org/cloudfoundry/dea_ng/builds/17027484 )
  Michael Maximilien:
     Newer versions of Vagrant are ok ( Travis Unknown )

Signed-off-by: Maria Shaldibina <mariash@pivotallabs.com>
Bump src/dea_next

Bump cloudfoundry/dea_ng:
  Phan Le:
     Fix unit tests ( Travis created: https://travis-ci.org/cloudfoundry/dea_ng/builds/17037839 )
Bump src/dea_next

Bump cloudfoundry/dea_ng:
  phanle:
     Copy the contents of logs folder only (not the logs folder itself) ( Travis started: https://travis-ci.org/cloudfoundry/dea_ng/builds/17043393 )
Additional Java buildpack dependencies

OpenJDK lucid and precise 1.7.0_51, auto-reconfiguration 0.8.4, and play-jpa-plugin 0.8.4.

The OpenJDK upgrade is crucial as it fixes a number of serious security bugs.
Bump src/collector

Bump cloudfoundry/collector:
  Chris Wang:
     Adding a file to customize the used gemset ( Travis Success: https://travis-ci.org/cloudfoundry/collector/builds/17071095 )
     Fixing log message ( Travis Unknown )
     Fixing log message ( Travis Unknown )

Signed-off-by: Chris Wang <cwang@pivotallabs.com>
Merge pull request #264 from glyn/master

Upgrade Java buildpack dependencies to latest versions
Merge remote-tracking branch 'upstream/master'