Owner and muting information to spreadsheet

Adds new fields to track assigned owner, program, and muting qualifiers with an import function to edit them.
On Thu, Nov 13, 2014 at 11:33:36AM -0800, Brian Sadler wrote:
> What happens if this fails?  Does it break the whole import without the person running it knowing who did and didn't get imported?

It'll throw an exception.... which on production means we'd have to dig
through the logs to find the ID in the error message. I'll change that.