add docblocks, closes #1653

app/views/admin/statusgroups/editGroup.php

app/views/admin/statusgroups/index.php

app/views/admin/statusgroups/sortAlphabetic.php

app/views/admin/statusgroups/sortGroups.php

app/views/admin/user/_course_files.php

app/views/admin/user/_course_list.php

app/views/admin/user/_delete.php

app/views/admin/user/_institute_files.php

app/views/admin/user/_priority_list.php

app/views/admin/user/_results.php

app/views/admin/user/_waiting_list.php

app/views/admin/user/activities.php

app/views/admin/user/edit.php

app/views/admin/user/edit_institute.php

app/views/admin/user/index.php

app/views/admin/user/list_files.php

app/views/admin/user/lock_comment.php

app/views/admin/user/migrate.php

app/views/admin/user/new.php

app/views/admin/user/show_user_courses.php