Implemented add-relation for the fakebackend

app/store/env/fakebackend.js

 'use strict';
 
 /**
 An in-memory fake Juju backend and supporting elements.
 
 @module env
 @submodule env.fakebackend
 */
 
 YUI.add('juju-env-fakebackend', function(Y) {
@@ skipping 710 matching lines @@
           endpoints: [endpointA, endpointB],
           scope: cics.sharedScope || 'global',
           displayName: endpointData[0].type,
           relation: relation
         };
       }
 
       // Fallback error If the relation was not able to be created
       // for any reason other than what has already been checked for.
       return false;
-    }
+    },
 
     // updateAnnotations: function() {
 
     // },
 
     // getAnnotations: function() {
 
     // },
 
     // removeAnnotations: function() {
@@ skipping 227 matching lines @@
 
   Y.namespace('juju.environments').FakeBackend = FakeBackend;
 
 }, '0.1.0', {
   requires: [
     'base',
     'js-yaml',
     'juju-models'
   ]
 });