Bump src/app-manager, src/auctioneer, src/etcd, src/inigo, src/rep, src/warden-linux

Bump cloudfoundry-incubator/app-manager:
  Onsi Fakhouri:
     err -> err.Error() in logging ( Travis Success: https://travis-ci.org/cloudfoundry-incubator/app-manager/builds/27431074 )
Bump cloudfoundry-incubator/auctioneer:
  Onsi Fakhouri:
     bump deps ( Travis Success: https://travis-ci.org/cloudfoundry-incubator/auctioneer/builds/27432375 )
     pass logger into rep-nats-client ( Travis Failed: https://travis-ci.org/cloudfoundry-incubator/auctioneer/builds/27431209 )
     auctioneer_runner takes maxRounds ( Travis Success: https://travis-ci.org/cloudfoundry-incubator/auctioneer/builds/27427507 )
  Amit Gupta:
     pass in the maximum number of rounds via flags ( Travis Success: https://travis-ci.org/cloudfoundry-incubator/auctioneer/builds/27427271 )
  Alex Suraci:
     Add timeout to auctioneer shutdown in tests ( Travis Success: https://travis-ci.org/cloudfoundry-incubator/auctioneer/builds/27422025 )
Bump coreos/etcd:
  Brandon Philips:
     Merge pull request #841 from andybons/patch-1 ( Travis Unknown )
  Andrew Bonventre:
     Update to Go v1.2.2 ( Travis Unknown )
Bump cloudfoundry-incubator/inigo:
  Alex Suraci:
     deps
     dedup scripts/dev-test, remove unused scripts/test
     run a warden server on each parallel node
  Onsi Fakhouri:
     Add convergence test for long unfinished claimed auctions
     when an auctioneer turns on after an auction is requested: that auction runs
     add lrp convergence tests
Bump cloudfoundry-incubator/rep:
  Onsi Fakhouri:
     Pass loggers to rep servers/clients ( Travis Success: https://travis-ci.org/cloudfoundry-incubator/rep/builds/27431277 )
Bump cloudfoundry-incubator/warden-linux:
  Alex Suraci:
     always send SIGTERM to backing Warden
     fix grace time test to not keep container alive
     make grace time test more durable
     bump stop timeout
     Make Runner .Addr and .Network public
     saner restart logic
     bump ginkgo
     use separate tmpdir than system tmpdir for runner
     turn integration runner into an ifrit.Runner
     deps
     clean up wshd test, fmt
     bump garden for timebomb fix
     extract global configuration logic
     dedup host network interface
     make security test failure more helpful
     runner parameterizes things based on ginkgo node
     set -e in build.yml