Merge branch 'master' of git://github.com/zts/Gitalist

* 'master' of git://github.com/zts/Gitalist:
  Project->list_tree implementation becomes an access to Object->tree.
  Template fixes - some links only make sense for commit objects.
  Fixed action links in tree output.
  Revert change to ->description, as the implementation on GPP didn't work.
  Flesh out the testing configuration with expected keys.
  Fix regression finding description for an undescribed repository.
  Tidy syntax.
  Relocate diff method from ::Project to ::Object.
  Change Project->description to use GPP.
  Make gpp instance a public attribute.