Exposed new logging config options (#10678)

no issue

- Exposes the new name and gelf logging options.

core/server/lib/common/logging.js

@@ -2,12 +2,14 @@ const config = require('../../config'),
     {logging} = require('ghost-ignition');
 
 module.exports = logging({
+    name: config.get('logging:name'),
     env: config.get('env'),
     path: config.get('logging:path') || config.getContentPath('logs'),
     domain: config.get('url'),
     mode: config.get('logging:mode'),
     level: config.get('logging:level'),
     transports: config.get('logging:transports'),
+    gelf: config.get('logging:gelf'),
     loggly: config.get('logging:loggly'),
     rotation: config.get('logging:rotation')
 });