Add support for FreeBSD

nginx/ng/map.jinja

             'server_enabled': '/etc/nginx/sites-enabled',
             'server_use_symlink': True,
         },
+        'FreeBSD': {
+            'package': 'nginx',
+            'passenger_package': 'passenger',
+            'service': 'nginx',
+            'webuser': 'www',
+            'conf_file': '/usr/local/etc/nginx/nginx.conf',
+            'server_available': '/usr/local/etc/nginx/sites-available',
+            'server_enabled': '/usr/local/etc/nginx/sites-enabled',
+            'server_use_symlink': True,
+            'pid_file': '/var/run/nginx.pid',
+        },
     }, default='Debian' ),
     'install_from_source': False,
     'install_from_ppa': False,
                 'gzip': 'off',
                 'gzip_disable': '"msie6"',
                 'include': [
-                    '/etc/nginx/mime.types',
-                    '/etc/nginx/conf.d/*.conf',
-                    '/etc/nginx/sites-enabled/*',
+                    'mime.types',
+                    'conf.d/*.conf',
+                    'sites-enabled/*',
                 ],
             },
         },