Moving logic from template into objects to make template a simple printer
Refactored unmanaged hosts to use the host config objects
Merge branch 'master' into refactor-apache-cfg
Rename HostConfig class and file as per review

Also contains a bug fix where the context uri was being used for the check command and this is
incorrect
Merge pull request #7 from aodn/refactor-apache-cfg

Refactor apache cfg