refactor menu
add admin to users
fix is_admin?
fix template
fix display appointment for customer/reservable
fix display my appointments for a patient
remove debugging code
customer should see his appointments only
cancel an appointment
reservables can't see each othere's appointments
add code comment
add code comment to time_slot update children
add mail notification
mail notification implementation
code refacotr, and small fix
add cancel email template
cancel an appointment and send notification
fixes
Merge pull request #2 from thepythonic/reservable_customer_action_auth

Reservable customer action auth