Default path to user storage.

git-tfs-id: [https://tfs.codeplex.com:443/tfs/TFS15]$/Atomix;C41715
Remember previous screen.

git-tfs-id: [https://tfs.codeplex.com:443/tfs/TFS15]$/Atomix;C41716
Go back button in levels.

git-tfs-id: [https://tfs.codeplex.com:443/tfs/TFS15]$/Atomix;C41717