Test Drag and drop with MochiKit

### Drag and Drop examples.

test drag 1
test drag 2 (horizontal)
test drag 3 (vertical)
test drag 4 (selectclass)
test drag 5 (fixed)
test drag 6 (absolute)
test drag 7 (relative)
test drag 8 (handle)
handle for drag 8
test drop 1
test drop 2 (hoverclass)
test drop 3 (activeclass)
test drop 4 (hoverFunc)
test drop 5 (activeFunc)
test drop 6
No select
Links to other samples:

- Boxes DND
- Hoverclass DND
- Snap DND
- Ghost DND
- Scroll DND
- Full DND