Upgrade ember-spread to ^4.0.1
Upgrade ember-spread to ^4.0.1

EWhite613/ember-frost-core,ciena-frost/ember-frost-core,ciena-frost/ember-frost-core,dafortin/ember-frost-core,dafortin/ember-frost-core,EWhite613/ember-frost-core,dafortin/ember-frost-core,ciena-frost/ember-frost-core,EWhite613/ember-frost-core