Adding loop to export's augmentation pass to replace handles with paper titles. This should (finally) close #15.

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>
Removing unused center block from footer, and an extraneous float:right that may have been causing problems on certain Safari browsers. This should close #21

Signed-off-by: Matt Bernhardt <mjbernha@mit.edu>