Update Nginx log format to v2

Need to bump to `v2` because another mistake was make in the existing
deployment for `v1` causing conflicts with this definition, and we also
need to correct ports to be integers instead of strings.

Author: portante

server/lib/config/nginx.conf

@@ -17,7 +17,7 @@ events {
 }
 
 http {
-    log_format  main  escape=json  '@cee:{"nginx":{"v1":{'
+    log_format  main  escape=json  '@cee:{"nginx":{"v2":{'
         '"body_bytes_sent": $body_bytes_sent, '
         '"bytes_sent": $bytes_sent, '
         '"connection": $connection, '
@@ -31,7 +31,7 @@ http {
         '"pipe": "$pipe", '
         '"remote": {'
             '"addr": "$remote_addr", '
-            '"port": "$remote_port", '
+            '"port": $remote_port, '
             '"user": "$remote_user"'
         '}, '
         '"request": {'
@@ -45,7 +45,7 @@ http {
         '"server": {'
             '"name": "$server_name", '
             '"host": "$host", '
-            '"port": "$server_port"'
+            '"port": $server_port'
         '}, '
         '"status": $status, '
         '"time": "$time_iso8601", '