s/getImplicitRoomName/getDefaultRoomName/ # as kegan doesn't like the word 'implicit'

lib/models/room.js

@@ -190,13 +190,13 @@ Room.prototype.getAvatarUrl = function(baseUrl, width, height, resizeMethod,
  };
 
  /**
-  * Get the implicit room name (i.e. what a given user would see if the
+  * Get the default room name (i.e. what a given user would see if the
   * room had no m.room.name)
   * @param {string} userId The userId from whose perspective we want
-  * to calculate the implicit name
-  * @return {string} The implicit room name
+  * to calculate the default name
+  * @return {string} The default room name
   */
- Room.prototype.getImplicitRoomName = function(userId) {
+ Room.prototype.getDefaultRoomName = function(userId) {
     return calculateRoomName(this, userId, true);
  };