add doppler process

[#75365570]

Signed-off-by: Johannes Petzold <jpetzold@pivotal.io>
Add dropsondeOrigin flag; clean up tests
Add BOSH templates for doppler

[#75365570]
Remove WrappedEnvelope from doppler

[#75365570]

Signed-off-by: Johannes Tuchscherer <jtuchscherer@pivotal.io>
Clean up doppler tests
Remove dropsonde listeners from loggregator

[#75365570]

Signed-off-by: John Tuley <jtuley@pivotal.io>
Refactor trafficcontroller/dropsonde_proxy

[#75365570]

Signed-off-by: Mike Gehard <mgehard@pivotal.io>
Go fmt

Signed-off-by: Mike Gehard <mgehard@pivotal.io>
Use servicediscovery in trafficcontroller

[#75365570]

Signed-off-by: Mike Gehard <mgehard@pivotal.io>