chore(package): update ember-cli-blanket to version 0.9.8
chore(package): update ember-cli-blanket to version 0.9.8

https://greenkeeper.io/
mike-north/ember-material-lite,truenorth/ember-material-lite,truenorth/ember-material-lite,truenorth/ember-material-lite,mike-north/ember-material-lite,mike-north/ember-material-lite