LDEV-1708 Monitoring should support groupingthe tasks shown for a group are now exactly the tasks from authoring + the tasks added by members of that group.
LDEV-1718 Reorganize learning page * The page needs to understand about tool sessions/groups. Learners should only see the comments and files added by members of their group (ie tool session) when the activity is grouped. Similarly, Learners should only see the tasks from authoring plus tasks added by members of their group.
LDEV-1677: Changing the tools so that clicking Close on the authoring confirmation window will both refresh the tool's monitoring window AND take the user back to the current tab on the monitoring window (ie the same tab it was on before it was refreshed). Normally this will be the edit activity tab.
