Adding a flexible location code for user model

This will allow us to use a constant identifier for a user’s free text
location regardless of if they are from the US or international. This
will remove the need for specialized functionality in each individual
solution.
Updating tests to check location_code property
Adding a status property to user retrieve response

This allows us to handle both user edit and retrieve flexibly with
shared handling code in consumer domain
Merge branch 'master' of https://github.com/cbdr/ruby-cb-api into create-flexible-location-code
Upping minor version for new model/response format
Removing zip and postal code all together! :D
removing code already in parent
changing status to a reader
removing zip and postal code from model accessors
major version bump after removal of zip/postalcode
Merge pull request #156 from cbdr/create-flexible-location-code

Create flexible location code