* now creates a component with all the DBs in it
* add the function get_postgres_databases
* add multi DB support to the Postgres device app page
* add multi DB support to the Postgres graphs
* whoops removed the udpate bit, readd it
* white space cleanup
* now use json for storing DB names
* provide the list of DBs in a cleaner manner
* Update postgres.inc.php
* feature: Added app_state support for applications #5068
* moved schema file 173 -> 174
* Re-arrange code
* added device_id to dbUpdate call
* updated function + missing apps
* Rename 174.sql to 176.sql
* Remove $device, it is unneeded when updating. Rename update_applications() -> update_application()
* Some apps can return simply 0