refactor(Library): Ability to reorder folders
refactor(Library): ability to drag listings out of a folder
refactor(Library): Ability to create folders via drag-and-drop
refactor(Library): Closing folder view when empty
fix(Library): Disallowing nested folder creation
refactor(Library): improving handling of auto-generated folder names
refactor(Library): Ability to rename folders
refactor(Library): folder-rename conflict handling
refactor(Library): Improving drag styles
refactor(Library): IE9 fixes
fix(Library): Fixing issues in chrome after IE fixes