Shuffle songs client side
Shuffle songs client side

Before this commit, you clicked through Spool and saw a sequence of
music videos.  Then you searched for something, saw that video, then saw
the same sequence of videos as before.  Boring!

Now, you click through and see a sequence of videos.  Then you search
for something, see that video, then see a different sequence of video
than before.  Interesting!

brainix/vh1,brainix/vh1