Store data needed for report creation

[GoogleCodeExporter]

Right now, the descriptive messages for each round is created piecemeal in
various portions of the code as the votes are being transferred.  At the
end of each round the piecemeal portions are joined together to create a
single text string.

Instead, it would be better to store all data needed to describe rounds,
and create all of the descriptive text at the end of the round (or later).
 The textual descriptions could perhaps be created by report plugin modules
instead of by the counting code.

Original issue reported on code.google.com by jeff.oneill on 3 Jan 2010 at 9:14