Changed relationship between talk and slot back to Slot belongs_to :talk because the foreign key for talk is in slot.  Same as Slot's relationship with Room and Timeslot.
Changed relationship between talk and slot back to Slot belongs_to
:talk because the foreign key for talk is in slot.  Same as Slot's
relationship with Room and Timeslot.
geeksoflondon/grid4rails,geeksoflondon/grid4rails,geeksoflondon/grid4rails