Added addAddress property
Store a weak reference to contact object instead of contactID
AKContact reference is stored in parent
Property addAddress moved to AKContactViewController
Added property willAddAddress
Fixed textField positions
Added support for 'add new address' row
AKContact object is retrieved from parent
Do not show delete contact button when adding new contact
Address section in edit mode displays 'add new address' row
Fixed editing styles for address, birthday and note sections