Load a Fieldmanager class based on a class name.
Understands Fieldmanager nomenclature to find the right file within the plugin, but does not know how to load classes outside of that. If you build your own field, you will have to include it or autoload it for yourself.
See: fieldmanager_load_file() for more detail about possible return values.
Located at fieldmanager.php
||Class name to load.|
Return value summary
||The result of fieldmanager_load_file() or void if the class is not found.|