moodle-mergeusers - added control on table groups_members.
moodle-mergeuser - adding type of user id introduced in the form, to help administrators selecting users.
Merge branch 'update-when-existing'
moodle-mergeusers - journal_entries is processed like grade_grades and groups_members.
Merge pull request #7 from jpahullo/urvmaster

Urvmaster