chore(package): update ember-cli to version 2.11.1
chore(package): update ember-cli to version 2.11.1

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ilios/frontend,jrjohnson/frontend,dartajax/frontend,dartajax/frontend,thecoolestguy/frontend,gboushey/frontend,thecoolestguy/frontend,gboushey/frontend,djvoa12/frontend,gabycampagna/frontend,ilios/frontend,jrjohnson/frontend,djvoa12/frontend,gabycampagna/frontend