Fix failing test, improve Safari warning, replace lodash with ember-cli-lodash-subset
Fix failing test, improve Safari warning, replace lodash with ember-cli-lodash-subset

ember-intl/ember-intl,ember-intl/ember-intl,null-null-null/ember-intl,jasonmit/ember-intl,ember-intl/ember-intl,yahoo/ember-intl,yahoo/ember-intl,jasonmit/ember-intl,null-null-null/ember-intl