OS X: Re-work PcsxrMemoryObject to make the properties more readable.

git-svn-id: https://pcsxr.svn.codeplex.com/svn@92297 e17a0e51-4ae3-4d35-97c3-1a29b211df97
OS X: Remove the Code sign identity.

git-svn-id: https://pcsxr.svn.codeplex.com/svn@92300 e17a0e51-4ae3-4d35-97c3-1a29b211df97