Release 0.3.20.
Release 0.3.20.

ember-cli/ember-cli-qunit,nathanhammond/ember-cli-qunit,blimmer/ember-cli-qunit,blimmer/ember-cli-qunit,nathanhammond/ember-cli-qunit,zenefits/ember-cli-qunit,ember-cli/ember-cli-qunit,zenefits/ember-cli-qunit