leaders and coleaders of groups can edit timetables and profiles of members; groups join page doesn't hide groups now #c4cPulse

- leaders and coleaders of groups can edit timetables and profiles of members of their groups
- Josh Starcher fixed the directory page in IE, and made the default view in groups join and manage pages to list all groups
update: the new groups page needs more testing; went back to how it was until I can test it further
update2: online now