remove whitespace
alphabetize package.json

`npm install --save-dev` alphabetizes package.json, and I `ember init`
my app every ember-cli update and check the diffs, so this would be an
inconsistency.
Merge pull request #2341 from kellyselden/alphabetiz-package-json

alphabetize package.json
Merge pull request #2339 from kellyselden/remove-whitespace

remove whitespace