Resolve multiple conflicts independently

When resolving multiple conflicts in a conversation, failure to resolve
one should not block any others.

// FREEBIE

js/models/conversations.js

@@ -301,15 +301,15 @@
 
         return textsecure.storage.axolotl.removeIdentityKey(number).then(function() {
             return textsecure.storage.axolotl.putIdentityKey(number, identityKey).then(function() {
-                var promise = Promise.resolve();
+                var promises = [];
                 this.messageCollection.each(function(message) {
                     if (message.hasKeyConflict(number)) {
-                        promise = promise.then(function() {
-                            return message.resolveConflict(number);
-                        });
+                        promises.push(new Promise(function(resolve) {
+                            resolve(message.resolveConflict(number));
+                        }));
                     }
                 });
-                return promise;
+                return promises;
             }.bind(this));
         }.bind(this));
     },

js/views/key_conflict_dialogue_view.js

@@ -28,11 +28,9 @@
             }
         },
         resolve: function() {
-            new Promise(function(resolve) {
-                this.conversation.resolveConflicts(this.model).then(resolve);
-            }.bind(this));
             this.trigger('resolve');
             this.remove();
+            this.conversation.resolveConflicts(this.model);
         },
         render: function() {
             this.$el.html(Mustache.render(this.template, this.model));