Remove cumbersome explanatory text in favor of self-explanatory data:
Remove cumbersome explanatory text in favor of self-explanatory data:

* tools/dev/contribulyze.py
  (Contributor.score_str): New method.
  (drop): Use above to show a more self-explanatory summary.
  (index_introduction): Don't explain scoring system anymore.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion