- Removed animationStyle for now.
- Made sure that popoverDidClose is not called until animation is finished.
- Don't create a new attached window unless: there isn't one; the popover behavior has changed; the current attached window is still visible.
- Don't call popoverWillShow if there is not content view controller.
- Removed unused _shown instance variable.
- Removed redundant !_attachedWindow checks followed by _attachedWindow message that returns a BOOL.
- Documentation tweaks.
- Fixed up some demo issues.