This attribute specifies a list of names of Features that define a
particular configuration of application functionality that the user
wants to load on a single processor.
The combination of Features selected must be compatible (for
example, none can be mutually exclusive with another in the list).
All Features must belong to an AV specified in the AVL.
All Features must be able to be loaded on any of the Cards which
are linked to LPs which are linked to this LPT.
All prerequisite Features of the ones in this list will also be loaded.