Removed repeated reference to cuts[c] from _list/tabulate.

Performance isn't an issue within initialization, so I may as well just make it
look better.
cut.field now accepts quoted field names.
Stringified document properties for keyword search.

I suppose that JSON.stringify is somewhat hard-coded within SpiderMonkey!?!? SO
THIS DOES NOT WRECK PERFORMANCE MUCH!???!? PLEASE????
Preserved fields setup of upload.html.

Because this is easy to do and I avoid rebuilding the entire form for just one
new field, AND the form state remains the same after geometry reduce.
XML-escaped 'dangerous' symbols & < >.

It seems that all the other symbols are safe, so this should do it.