passenger-status --show=union_station no longer works

[kochalex]

Looks like this command hasn't been updated/implemented over in the LoggingAgent to the new "API style" as the other passenger-status commands.

root@vagrant:~# passenger-status --show=union_station
Version : 5.0.0.beta2
Date    : 2014-12-31 23:53:25 -0600
Instance: GPDfVMwo (Apache/2.2.22 (Ubuntu) Phusion_Passenger/5.0.0.beta2)

/usr/local/lib/ruby/gems/2.0.0/gems/passenger-5.0.0.beta2/bin/passenger-status:171:in `show_status': undefined local variable or method `server_instance' for main:Object (NameError)
    from /usr/local/lib/ruby/gems/2.0.0/gems/passenger-5.0.0.beta2/bin/passenger-status:59:in `command_show_status'
    from /usr/local/lib/ruby/gems/2.0.0/gems/passenger-5.0.0.beta2/bin/passenger-status:312:in `start'
    from /usr/local/lib/ruby/gems/2.0.0/gems/passenger-5.0.0.beta2/bin/passenger-status:315:in `<top (required)>'
    from /usr/local/bin/passenger-status:23:in `load'
    from /usr/local/bin/passenger-status:23:in `<main>'