MDL-25104 removing unnecessary $options = array_shift($oldoptions) line 192 that generates 2 question_numerical records,
this was added by inadvertence  in the last many lines modifications

internal means "uses password hash for user authentication", there is a new is_synchronised_with_external() method that indicates if moodle should automatically sync user info with external system after login; I have also improved the default for prevent_local_passwords() which is now defaulting to !is_internal()

Editing of some qtypes was broken since a previous commit by me earlier in the week.

Import of XML and GIFT should now work, but could use some more testing.

question export MDL-25088 this is the first part. I think question export is now working for all types.

Import to follow soon.

add_to_log() used to log whole workshop name instead of just id. Thanks
to Eloy for spotting that.

The remote site can be Mahara site, too.

The old icon was considered "temporary" (according to Penny) and it was
not very clear. Hopefully this one is a bit better.

lib MDL-1975 Users who have been auto logged in by guest are now redirected to login on capability exceptions rather than being shown the exception.

javascript MDL-25013 YUI modules are now recursively loaded and a stacktrace stored when this occurs

gradebook MDL-21907 grader report group view was being limited to groups in the course's default grouping