anchor.diff:  ## Error States
   The common [HTTP Response Status Codes](https://github.com/for-GET/know-your-http-well/blob/master/status-codes.md) are used.
   
  +## Basic Access Authentication [/user]
  +[NotImplemented] Basic authentication using username and password.
  +
  +### Login [GET]
  ++ Request (application/json)
  +    + Headers
  +    
  +            Location: /user
  +
  +    + Attributes (UserRequest)
  +        
  ++ Response 200 (application/json)
  +    + Headers
  +    
  +            Location: /user
  +    
  +    + Attributes (UserResponse)
  +
   # Group Organizations
   Organizations-related resources of *Care Center API*.
   
   ## Organizations Collection [/organizatons]
   
  -<!--todo: http://www.resourcesforapeaceablecity.org/?wpbdp_view=search&page_id=495&dosrch=1&q=Evanston+Police+Department-->
  -
   ### List All Organizations [GET]
  +Retrieve a list of Organizations entities.
  +
   + Response 200 (application/json)
   
           [
  
positive.code:             Location: /services/2
  
      + Attributes (ServiceResponse)
              
  # Group Tags
  Tags-related resources of *Care Center API*.
  
  
  # Data Structures
  
  ## CareCenterRequestBase (object)
  + name: Care Center 501c3 (string, required)
  
negative.code: + web_url: http://www.care.org (string)
      
  ## OrganizationResponse (CareCenterResponseBase)
  + create_at: `2016-08-05T08:40:51.620Z` (string)
  + updated_at: `2016-08-05T08:40:51.620Z` (string)
  + services (array)
      + (ServiceResponse)
          + _id: 1 (number)
      + (ServiceResponse)
          + _id: 2 (number)
      + (ServiceResponse)
          + _id: 3 (number)
  
  ## ServiceRequest (CareCenterRequestBase)
  + contact_email: email (string)
  + contact_phone: phone (string)
  + web_url: `http://www.evanstonvineyard.org/harvest` (string)
  + street_address: 1234 N. Somewhere (string)
  + eligibility_desc: 18+ (string)
  + cost_desc: No cost (string)
  