MDL-46737 SCORM: correct dml syntax.
MDL-46619 Forum: author showing in Q and A forum
Merge branch 'MDL-46619-2.5-visisble-authors-qanda' of https://github.com/amandadoughty/moodle into MOODLE_25_STABLE
MDL-46619 Forum: whitespace fixes
MDL-46619 Forum: only output last poster's name if user can view it.

Conflicts:
	mod/forum/lib.php
MDL-46619 Forum: link to the discussion only if users cannot see posts.

Conflicts:
	mod/forum/lib.php