Bump nsync, runtime-schema, stager, tps

Bump cloudfoundry-incubator/nsync:
  Ted Young:
     Add metrics for desired LRPs and desired apps ( Travis finished: https://travis-ci.org/cloudfoundry-incubator/nsync/builds/35481434 )
     refactor bulk processor ( Travis Unknown )
Bump cloudfoundry-incubator/runtime-schema:
  Ted Young:
     Add Duration metric ( Travis created: https://travis-ci.org/cloudfoundry-incubator/runtime-schema/builds/35481677 )
Bump cloudfoundry-incubator/stager:
  Ted Young:
     Add metrics for staging success or fails ( Travis Failed: https://travis-ci.org/cloudfoundry-incubator/stager/builds/35481483 )
Bump cloudfoundry-incubator/tps:
  Ted Young:
     wrap api in autowire.InstrumentedHandler ( Travis Success: https://travis-ci.org/cloudfoundry-incubator/tps/builds/35479798 )