Update dependencies

* github.com/cloudfoundry/storeadapter
* github.com/cloudfoundry/gunk (necessitated by above)
* github.com/stretchr/testify (to ensure compatibility on Travis)
* fallout from updating dependencies

[#81719084]

Signed-off-by: John Tuley <jtuley@pivotal.io>
Add Elector for syslog_drain_binder

[#81719084]

Signed-off-by: John Tuley <jtuley@pivotal.io>
Return *Elector from elector.NewElector

[#81719084]

Signed-off-by: John Tuley <jtuley@pivotal.io>
Add cloud_controller_poller.Poll

[#81719084]

Signed-off-by: John Tuley <jtuley@pivotal.io>
Adds test for pulling drain urls with different batch size.

[#81719084]

Signed-off-by: John Tuley <jtuley@pivotal.io>
Explain UAA configuration for firehose

[#83942988]
Add missing newline to fix README formatting
Fix README formatting in firehose section
Syslog drain binder updates etcd with drain urls pulled from cloud controller.

[#81719084]

Signed-off-by: Georg Apitz <gapitz@pivotal.io>
Moves cloud_controller_poller upto main package.

[#81719084]

Signed-off-by: John Tuley <jtuley@pivotal.io>
Make etcd TTL configurable

[#81719084]

Signed-off-by: John Tuley <jtuley@pivotal.io>
Error if gosub not installed

Signed-off-by: John Tuley <jtuley@pivotal.io>
Bump storeadapter

[#81719084]

Signed-off-by: John Tuley <jtuley@pivotal.io>
Finish syslog_drain_binder/main to wire everything together

[#81719084]

Signed-off-by: John Tuley <jtuley@pivotal.io>
Update URL-passing scheme and add logging

[#81719084]

Signed-off-by: John Tuley <jtuley@pivotal.io>
Fix broken tests in syslog_drain_binder

Signed-off-by: John Tuley <jtuley@pivotal.io>
Update bin/test to check for race on syslog_drain_binder

[#81719084]

Signed-off-by: John Tuley <jtuley@pivotal.io>