Squashed 'blocks/publishflow/' changes from 41350b6..3405617

3405617 code cleanup
cec3d36 small fixes
3412975 small fixes

git-subtree-dir: blocks/publishflow
git-subtree-split: 3405617c8a030bac35cbfbf9fa35255b4770d725
Merge commit '3c6ff174d2b79756a5697bf12be7db88fe8e5cd8' into test-MOODLE_25_STABLE
Mise à jour de moodle-block_publishflow dans MOODLE_25_STABLE mercredi 21 mai 2014, 18:47:03 (UTC+0200)