chore(changelog): changes for 0.4.1 release
chore(changelog): changes for 0.4.1 release

cibernox/ember-cli-mirage,cibernox/ember-cli-mirage,jherdman/ember-cli-mirage,samselikoff/ember-cli-mirage,unchartedcode/ember-cli-mirage,unchartedcode/ember-cli-mirage,jherdman/ember-cli-mirage,samselikoff/ember-cli-mirage,samselikoff/ember-cli-mirage,samselikoff/ember-cli-mirage,unchartedcode/ember-cli-mirage,jherdman/ember-cli-mirage,makepanic/ember-cli-mirage,unchartedcode/ember-cli-mirage,jherdman/ember-cli-mirage,makepanic/ember-cli-mirage