Fixed reference errors introduced when adding statsFormatter
Fixed reference errors introduced when adding statsFormatter

kimroen/ember-cli-coffeescript,kimroen/ember-cli-coffeescript,kimroen/ember-cli-coffeescript,philipbjorge/ember-cli-typescript-compiler,bianjp/ember-cli-coffeescript,flcdrg/ember-cli-typescript,flcdrg/ember-cli-typescript,philipbjorge/ember-cli-typescript-compiler,philipbjorge/ember-cli-typescript-compiler