Wrap BUILDPACK_URL in quotes to avoid an error in zsh
Add back "npm install" step to README
Remove autoenv step from README
Remove extra newline
Merge pull request #9 from fastmonkeys/feature/comments

Feature/comments
Add auth views and templates
Merge pull request #12 from fastmonkeys/feature/authentication

Feature/authentication
Add like model
Add like_count property to comments
Add API for liking comments
Use english in api urls
Refactor tests
Add tests for model default values
Add likes to comments in templates
Add new API for liking

Changes like API urls to users/<id>/links/likes.
Separates create and delete API endpoints.