No substantive changes in Feb 21 2013 needs-work.txt list

Just update the date, and include all of my reformatted paragraphs for
the comments I wrote about some of the tickets.
Minor updates to prescreened patch list for Feb 21 2013

I removed CLJ-1168 by hand, since it has been closed by Feb 22 2013
when I committed these changes.
Updated top weighted vote ticket list for Feb 21 2013