Homestyx hydra

R1:1df321bf00a1

Fix left/right detection of inline comments in unified view

Summary:
Ref T2009. Currently, the code figures out if a comment is on the left or right by looking at the `<th />` preceeding the enclosing `<td />`.

This gets the right result in 2-up, but in 1-up rows are always `<th />`, `<th />`, `<td />`, so it always detects every inline as being in the new file.

Because "old" and "new" cells aren't inherently distingushable in the 1up view, we can't use a DOM test for this at all. Instead, just track…
Repository: R1 hydra
Commit Date: Mar 7 2015