Merge remote branch 'alioth/master'

* alioth/master:
  1 more usecase: performance assessment
  merged with Michael's changes
  More structure.
  Small touch.
  minor
  One more note.
  Work on use cases, place results of discussion into tentative sections.
  Minor.
  "minutes" for DebTest
  WNPP for fieldtrip
  my contribution to use cases of DebTest
  Minor steps towards regression test spec.
  Put reference to identi.ca on front page.
  Prevent duplicate trailing dots in publication titles.
  adding pcsim blends file and copy/paste moose for auto-injection
  Prefix with DOI query URL if DOI is used as publication URL
  Put blends remark in the top section of the pkg pages.
  RegTest use cases and scope.