Normalized the elements used in div.meta

In some places, the `.meta` div contained divs and spans, and in other places contained only spans. When longer strings appeared in the spans, they would overflow like this:
![](http://f.cl.ly/items/1C2L3W1l0h3n322S2p0o/Screen%20Shot%202013-02-10%20at%207.09.23%20PM.png)

and this:
![](http://f.cl.ly/items/2o3x3q3Y260f34380j2s/Screen%20Shot%202013-02-10%20at%207.10.51%20PM.png)

Changing the spans to divs fixes this and cause text to wrap nicely, as seen here:
![](http://f.cl.ly/items/270z050q3t2P1j3E0Q0g/Screen%20Shot%202013-02-10%20at%207.12.45%20PM.png)

Thanks!