Adding STOPPING state as valid state to read logs from for dea logging agent

[#80943354]

Signed-off-by: Georg Apitz <gapitz@pivotal.io>
Add PingSender and EventListener to metron

[#80068308]

Signed-off-by: Joseph Rodriguez <jrodriguez@pivotal.io>
Bump dropsonde with new heartbeart responder

[#80068308]

Signed-off-by: Joseph Rodriguez <jrodriguez@pivotal.io>
Add benchmark test gist link to metron readme

[#80068308]
Localize transport selection logic in syslog_forwarder.conf.erb

[#80731476]

Signed-off-by: John Tuley <jtuley@pivotal.io>
Accept µs in addition to us for microseconds to satisfy Go 1.4 incompatibility
Fix locks around counters in channel_group_connector_test for Go 1.4 compatibility
Remove network.apps from loggregator related job specs

[#81420244]

Signed-off-by: Trevor Ackerman <tackerman@pivotal.io>