R1:1663dc32c90c

Pholio - finish off history view

Summary:
...bsasically add a "view mode" and play with that throughout the stack. Differences are...

- normal mode has comments; history mode does not
- normal mode has inline comments; history mode does not
- page uris are correct with respect to either mode

...and that's about it. I played around (wasted too much time) trying to make this cuter. I think just jamming this mode in here is the easiest / cleanest thing at the end. Feel free to tell me otherwise!

This…