Add README thoughts
Update README.md
Add todos list for unsplash
Add underscore.js #1
Cleanup the code and add throttle method from underscore #1

To avoid multiple calls on scroll we are going to use throttle method.
Merge branch '1-refactor-js-code'
Merge pull request #2 from catalinmiron/1-refactor-js-code

1 refactor js code
Merge branch 'master' of github.com:catalinmiron/unsplash.com-playground