* Add HTTP(S) file web server with temp URLs
* Get temp web d/l from file list
* Add File area filter editor (all file area stuff will be rename to file "base" later)
* Concept of "listening servers" vs "login servers"
* Ability to get servers by their package name
* New MCI: %FN: File Base active filter name
* Some ES6 updates
* VC resetInitialFocus() to set focus to explicit/detected initial focus field
* Limit what is dumped out when logging form data
* Remove old 3rd party string-format & replace with string_format.js version
* Some fix some bugs with string_format.js padding, width, and number format
* Uew StatLog for last callers
* Use new StatLog for +op props
* Use new StatLog for user props such as posts & MCI to access such
* Use StatLog for various new MCI codes for +op
* Misc missing MCI codes
* Minor updates to ES6 in some areas
* Better bbs.js startup seq
* Better iterator support for loadModulesForCategory()
* Start work on loading message network modules & tieing in record() (WIP)
* FTN PacketHeader is now a ES6 class
* Various FTN utils, e.g. Via line creation
* Less complex
* Themes are only loaded once. Users share avail themes[] objects
* Themes are applied to configuration _once_
* Users can switch themes in configuration
* Other related improvements
* @systemMethod:fallbackMenu -> @systemMethod:prevMenu
* Lots of cleanup of gotoMenuModule() -> MenuModule.gotoMenu()
* Lots of cleanup of fallbackMenuModule() -> MenuModule.prevMenu()
* Lots of cleanup of 'next' processing -> MenuModule.nextMenu()
* Clean up CPU strings a bit more
* Initial checking of WIP Mystery Skulls theme by Luciano Ayres of blocktronics
* Fix random theme selection
* WIP on theme customization apply: Needs to be much more flexible than current
* MenuModule will use .next > .fallback > default fallback
* Only allow one session per user at a time
* user 'timestamp' property -> 'account_created'
* Better User.getLegacySecurityLevel() using group membership
* Client connection management -> client_connections.js
* Minor changes & cleanup