AMOptionMenu is a Cocoa multi-option popup menu, similar to Xcode's "Overview" toolbar item. It's features include:
- Multiple controls can be driven by the same data source
- Setting state via key-value coding
- Populating a standard NSMenu instead of/addition to popup buttons
- Optional short titles for summaries
- Explicitly or automatically limiting the number of items in the summary.
- Instantiating controls from code or nib
- Loading data from code or external plists