Managing results/championship table: offering help :)

[c.pucher]

New version, with following changes:
- for "timed" races, where no race laps are set (<Laps> value is set to 2147483647 (2^31 - 1) in results xml file), the calculation of (bonus) points for "all laps completed" and "% of laps completed" will be based on "most laps completed", that is the number of laps the race winner managed to do

;D