9a2da73753
Added groupid to grade_plugin_return tracking, modified constructor to use query params as defaults if passed-in params not supplied, used groupid tracking in core reports. grade_get_graded_users_select also fixed to use gpr (otherwise using it breaks when course current group has changed between render and submit). Fixed coding style issue in gpr constructor & documented properties. Added upgrade.txt noting gpr changes.
The default gradebook interface for students, showing just the user's own grades.