[moodle/f13/master] (6 commits) ...Merge branch 'master' into f13

[Jon Ciesla]

Summary of changes:

  2b5d53f... New upstream, secuirty fix. (*)
  c4078f6... Update to 1.9.9, BZ 605810. (*)
  5bfae60... dist-git conversion (*)
  038981b... Multiple security fixes. (*)
  b99665e... Typo fix, BZ 631998 (*)
  1923deb... Merge branch 'master' into f13

(*) This commit already existed in another branch; no separate mail sent