+ MCI: PT - total messages posted today (non-private)

+ MCI: TP - total messages/posts on system (non-private, includes imports, only counts *current*, not all of time)
* Move some stats to startup() calls
* Fix some DATE() comparisons in SQL to use 'localtime' as our timestamps include TZ
* Update luciano_blocktronics SYSSTAT to show more info

core/system_property.js

@@ -15,6 +15,9 @@ module.exports = {
     FileUlTotalCount    : 'ul_total_count',
     FileUlTotalBytes    : 'ul_total_bytes',
 
+    MessageTotalCount   : 'message_post_total_count',   //  total non-private messages on the system; non-persistent
+    MessagesToday       : 'message_post_today',         //  non-private messages posted/imported today; non-persistent
+
     //  begin +op non-persistent...
     SysOpUsername       : 'sysop_username',
     SysOpRealName       : 'sysop_real_name',