chore(package): update ember-cli-app-version to version 2.0.0
chore(package): update ember-cli-app-version to version 2.0.0

https://greenkeeper.io/
sgasser/ember-cli-materialize,dortort/ember-cli-materialize,truenorth/ember-cli-materialize,sgasser/ember-cli-materialize,mike-north/ember-cli-materialize,mike-north/ember-cli-materialize,dortort/ember-cli-materialize,truenorth/ember-cli-materialize,mike-north/ember-cli-materialize,rynam0/ember-cli-materialize,rynam0/ember-cli-materialize,dortort/ember-cli-materialize,sgasser/ember-cli-materialize,rynam0/ember-cli-materialize,truenorth/ember-cli-materialize