Added list of fields to always be displayed when inspecting a node

-Renamed graffeine-conf.js to graffeine-client-conf.js to minimize
confusion
-In graffeine-client-conf.js, the entry "Graffeine.conf.editFields" now
lists fields that will always be displayed when editing a node. This
makes it much easier to, say, maintain an actor or film database with
consistency.
Merge branch 'master' of https://github.com/JesperJuul/graffeine