* SQL updates are checked at individual server start up and applied based on several unique factors.
* Adds a master sql_update_db.yml database that houses everything in one.
* Progress is saved into a local flat file for each available schema.
* Removes usage of individual SQL files.
* Alphabetically sorted includes.
* Updated copyright and license text to match across all files.
* Removed pragma once define in header files in lieu of ifdef guards.