added mock NPM downloads data and mock folder
added d3 dependency and graph class
added a test graph
whitespace fixes, unified JS indentation
made line graph work and improved axis readability
charts: improved x tick logic, removed reduntant logging
added mock NPM downloads data and mock folder
added d3 dependency and graph class
added a test graph
whitespace fixes, unified JS indentation
made line graph work and improved axis readability
charts: improved x tick logic, removed reduntant logging
graphs: change to ES6 syntax
graphs: apply ES6 syntax
main: apply ES6 syntax, refactor
Merge pull request #1 from brewery/feature/graphs

Feature/graphs