Feb 2014 changes to make to Kinglet

* modify any necessary JSON returned by API

+*Features to Add*+

+Delete Message+

* ability to delete a message sent?
** unsure about this. will not implement for now.


+Approved List+

* User A requests to be added to a user B's accepted or approved list in order for User A to message User B. It would then be up to User B to make the same request of User A. One action does not automatically enable the other.
* actions by User B when receiving the request:
** accept
** reject 
* both response types can be changed later
* a user can send a request to be added to approve list only one time.
* the response is returned to the requesting user
* when User A messages User B, if A is not on B's accepted list, return error message with info:
** telling A to send a request to B to be added to B's approved list 
** or remind A that A already requested to be added to B's approved list, and B rejected the request.

Things to do to support the approved list feature:

* create database table 
* create API commands. let's not add this under 

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