Merge pull request #2 from paazmaya/master

update
Link related the npm naming mentioned in the given presentation
Merge branch 'master' of github.com:paazmaya/modern-web-tools-with-node-js-book
Merge pull request #52 from HeikkiAlanen/master

Added ESLint quiz (issue #26)
Tomorrow is going to be so much fun
Participation matrix
Gist is also ok
About gists
Will be writing a script...
Github API usage
Update presentations.md
Merge pull request #53 from SkyFire-/master

Added link to express.js presentation slide. Good job! First one to do it **before** presentation.
Merge branch 'master' of github.com:paazmaya/modern-web-tools-with-node-js-book