RLP Gateway CF Auth Proxy does not have default port in BOSH spec

[Brady Love]

The code for the RLP Gateway CF Auth Proxy has a default port of 8083, however the BOSH job spec does not have a default which means it must be provided.

https://github.com/cloudfoundry/loggregator-release/blob/develop/jobs/reverse_log_proxy_gateway_cf_auth_proxy/spec#L31-L32

We should add a default to the BOSH job spec to match what we have as the default in the code.

[cf-gitbot]

We have created an issue in Pivotal Tracker to manage this:

https://www.pivotaltracker.com/story/show/159942241

The labels on this github issue will be updated when the story is started.

[Andrew Poydence]

We have merged the reverse_log_proxy_gateway with the reverse_log_proxy_gateway_cf_auth_proxy and therefore have deleted this job.