DG IZ; moved update_profile from Person into User.  removed notify_people methods.  temporarily broke album pushing

Add a couple specs to groups, moved socketing into each block, unclear where or why groups are being created wrongly

RS, IZ; wrote and tested user retractions actually removing people from the friend lists on retractions

RS, DG; store_from_xml now takes one objects.  All talk of arrays and collections has been eliminated.