Bump src/collector

Bump cloudfoundry/collector:
  Johannes Engelke:
     Removed ip_key property and made IP and index part of the gaphite key. ( Travis created: https://travis-ci.org/cloudfoundry/collector/builds/39981148 )
  Johannes Engelke | hybris:
     Added possibility to switch from index to ip in graphite key generation ( Travis Unknown )
Bump src/cloud_controller_ng

Bump cloudfoundry/cloud_controller_ng:
  Chris Piraino and Luan Santos:
     Fix unexpected modification on updating processes through repository ( Travis started: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/39982605 )
  Luan Santos and Serguei Filimonov:
     Wrap process changes in a locked transaction ( Travis Unknown )
  Nick Wade:
     diego staging completion handler is idempotent [#80259174] ( Travis Success: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/39863623 )
Bump src/smoke-tests

Bump :
  Chris Piraino and Serguei Filimonov:
     Revert "Revert "Split loggregator and runtime tests into independent packages""
     Revert "Split loggregator and runtime tests into independent packages"
  Trevor Ackerman:
     Split loggregator and runtime tests into independent packages
  John Tuley:
     Restore missing parameter passing in bin/test