Cleanup.
Signed-off-by: Chris Sanders <zidane@outlook.com>
Added view command, fix shiftclick.

A seriously hard viewing command on Bukkit is trivial to Spout. Observe
the power of the platform.

You can view, watch another Backpack in realtime, and take/put stuff into
their packs.

Signed-off-by: Chris Sanders <zidane@outlook.com>