If no admin exists, root maps to new account page; ALSO, fixed user-experience issue for invalid credentials on login
validation almost done except datetime
Merge branch 'new_features' of github.com:lewisren/FuelEd into new_features
changed date to datetime
added route, view, and action to view past appts

controller action not finished
fixed routes, added link to view past appt
tried changing link
changed order of routes
fixed links to view appt
added route, view, and action to view past appts

controller action not finished
tried changing link
fixed links to view appt
Merge branch 'stephbranch' of https://github.com/lewisren/FuelEd into stephbranch