Handle if we don't get sent a user dictionary or the memory card changed.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@85560 e17a0e51-4ae3-4d35-97c3-1a29b211df97
Some work on OS X's net plug-in.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@85561 e17a0e51-4ae3-4d35-97c3-1a29b211df97
Set some NSURLs as directories.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@85562 e17a0e51-4ae3-4d35-97c3-1a29b211df97
Disable the net plug-in in the freeze state handler on demand.
Run the disc image from the handler through PcsxrController so that it can disable the net plug-in as needed.
Cache the NSURL value in the Disc handler.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@85563 e17a0e51-4ae3-4d35-97c3-1a29b211df97
Getting rid of commented-out code.
Other minor changes.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@85565 e17a0e51-4ae3-4d35-97c3-1a29b211df97