Dynamically reload all hasMany relationships for a model.

reload-hasmany.js

/**
 * You can use this in a model or afterModel hook...
 * see http://emberjs.com/api/data/classes/DS.Model.html#method_eachRelationship
 * 
 * Not really tested or sure if this is a good idea... just had the thought and wanted to record it.
 */
model.eachRelationship(function(name, relationship) {
  if (relationship.kind === 'hasMany' && relationship.options.async) {
    this.get(name).reload();
  }
}, model);