Allow to specify a different passenger config file in nginx.ng

nginx/ng/map.jinja

         'Debian': {
             'package': 'nginx',
             'passenger_package': 'passenger',
+            'passenger_config_file': '/etc/nginx/conf.d/passenger.conf',
             'service': 'nginx',
             'webuser': 'www-data',
             'conf_file': '/etc/nginx/nginx.conf',
         'CentOS': {
             'package': 'nginx',
             'passenger_package': 'passenger',
+            'passenger_config_file': '/etc/nginx/conf.d/passenger.conf',
             'service': 'nginx',
             'webuser': 'nginx',
             'conf_file': '/etc/nginx/nginx.conf',
         'RedHat': {
             'package': 'nginx',
             'passenger_package': 'passenger',
+            'passenger_config_file': '/etc/nginx/conf.d/passenger.conf',
             'service': 'nginx',
             'webuser': 'nginx',
             'conf_file': '/etc/nginx/nginx.conf',

nginx/ng/passenger.sls

 passenger_config:
   file.managed:
     {{ sls_block(nginx.server.opts) }}
-    - name: /etc/nginx/conf.d/passenger.conf
+    - name: {{ nginx.lookup.passenger_config_file }}
     - source: salt://nginx/ng/files/nginx.conf
     - template: jinja
     - context:

pillar.example

       server_available: /etc/nginx/sites-available
       server_enabled: /etc/nginx/sites-enabled
       server_use_symlink: True
+      # If you install nginx+passenger from phusionpassenger in Debian, these values will probably be needed
+      passenger_package: libnginx-mod-http-passenger
+      passenger_config_file: /etc/nginx/conf.d/mod-http-passenger.conf
+
       # This is required for RedHat like distros (Amazon Linux) that don't follow semantic versioning for $releasever
       rh_os_releasever: '6'
       # Currently it can be used on rhel/centos/suse when installing from repo