removed ccng.use_nginx cloud_controller job template property
restart cc if it does not respond to monit http health check
Bump src/collector

Bump cloudfoundry/collector:
  Phan Le:
     Minor refactor ( Travis created: https://travis-ci.org/cloudfoundry/collector/builds/18313421 )
     formatting ( Travis Unknown )
     added mem metric ( Travis Unknown )
  Matthew McNew:
     Merge pull request #5 from cloudfoundry/healthz_ip ( Travis Success: https://travis-ci.org/cloudfoundry/collector/builds/18299595 )
  Eric Malm:
     Merge pull request #4 from grenzr/rake_gemfile_move ( Travis Success: https://travis-ci.org/cloudfoundry/collector/builds/18295338 )
  Dakota Bailey:
     Send host with health metrics. ( Travis Success: https://travis-ci.org/cloudfoundry/collector/builds/18232693 )
  Ryan Grenz:
     Moving rake into :test group as it only runs tests (allows collector pre-packaging script to run properly in cf-release) ( Travis Unknown )