Displays a nice chart showing permissions for each group on each board.

• Accessed at index.php?action=reports;rt=board_perms
• Columns are the membergroups, rows are the permissions
• Key: "Allow" means they do have that permission on that board, "x" means they don't have it but it isn't denied either and "Deny" means they've specifically been denied that permission
• Bold text indicates that the permission is locally set