Ability to use any data from centurion for configuration

[jon-nfc]

being able to use data from other models within config management is benificial. It enables the configuration to be dynamic.

use case: A user requires a docker container to be used within config. They could pull in the software by ID and select the newest version available as the container tag. then when the config is rendered it would be expanded with the data from the referenced software in this case

Details

create a templating system for fetching centurion information for use within config management.

The following should be possible:

• select by id
• select by newest
• select by oldest
• be able to specify simple logic: >, < >=, <=