package.json: sort by name.
Update dependencies.
Cosmetics.

Sort by name and remove extra newlines.
config/_config.yml: update libs versions and fix typos in comments.
Merge pull request #272 from XhmikosR/develop

Minor improvements

@XhmikosR @jdorfman These all look good to me, so with Travis passing, I'll merge it to develop. Don't see anything here critical enough for a prod release, so I'll let it go out with the next one.