* HDA_APP_PASSWORD: admin password (if available, otherwise undefined)
* HDA_1ST_ADMIN: username of the 1st admin user
Available in Amahi 7.2 and later:
These are only defined if the app has a database:
* HDA_DB_DBNAME name of the database for the app
* HDA_DB_USERNAME username of the database for the app
* HDA_DB_PASSWORD password of the database for the app
* HDA_DB_HOSTNAME hostname of the machine where the database is hosted (typically localhost, but please use this variable anyway)
== Examples ==