Process and show pump suspend equivalently to a 0 value temp basal.

@jebeck Take a look at this and let me know what you think.

Btw, when looking at the diff on segmentUtil, I didn't actually change as much as it wants to say, the nesting of code changed so there's a lot of whitespace that show up in the diff.  Load with w=1 flag to see a better indication of what I actually did