Information about a particular email address.

Item Summary
Name	Type	Multiplicity	Description
type	property string	[0,1]	Type of the email address, like personal, work, etc.
primary	property boolean	[0,1]	Is this the primary email address (in a given context, e.
value	property string	[0,1]	The address itself.

Items
- type
  
  Flags: RAM,runtime
  
  Multiplicity: [0,1]
  
  Display order:
  
  Type of the email address, like personal, work, etc. TODO lookup table here
- primary
  
  Flags: RAM,runtime
  
  Multiplicity: [0,1]
  
  Display order:
  
  Is this the primary email address (in a given context, e.g., for a user)?
- value
  
  Flags: RAM,runtime
  
  Multiplicity: [0,1]
  
  Display order:
  
  The address itself.