Implemented sort for multi-part filenames.
Created objects for populating controls with selectable lists.
Corrected organization of file hierarchy in TreeView.
Added icon for folder without data.

Images obtained on 11-22-14 from:
- http://commons.wikimedia.org/wiki/File:Folder-silk.png
Created abbreviated TreeView initialization object.
Removed redundant TreeView initializer.
Merge branch 'enhanceTreeViewSort'