Bump src/loggregator

Bump :
  Nick Wade:
     Ensure that Doppler only listens for outside connections
     Instrument syslog_drain_binder with Dropsonde
     Remove dependency on THE WORLD from bosh spec files
     Make bin/test race detection text more friendly
     Remove syslog drain binding from DEA logging agent
     Add syslog_drain_binder BOSH bits
  Georg Apitz:
     Update bin/test to check for race on syslog_drain_binder
     Fix broken tests in syslog_drain_binder
     Update URL-passing scheme and add logging
     Finish syslog_drain_binder/main to wire everything together
     Bump storeadapter
     Error if gosub not installed
     Make etcd TTL configurable
  Warren Fernandes:
     Moves cloud_controller_poller upto main package.
     Syslog drain binder updates etcd with drain urls pulled from cloud controller.
     Adds test for pulling drain urls with different batch size.
     Add cloud_controller_poller.Poll
     Return *Elector from elector.NewElector
     Add Elector for syslog_drain_binder
     Update dependencies
     Merge branch Amit-PivotalLabs-pivotal-golang-localip into develop
     Hard-code doppler dropsondeOrigin to "doppler"
     Rework ctl scripts to prevent zombie processes
  John Tuley:
     Fix README formatting in firehose section
     Add missing newline to fix README formatting
     Explain UAA configuration for firehose
  cf-lamb:
     bump loggregatorlib
     bump loggregatorlib
     bump loggregatorlib
     bump loggregatorlib
     bump loggregatorlib
  Amit Gupta:
     Use pivotal-golang for localip [#82988760]