Committing all files
Merge pull request #1 from simon-kim/homework1

Committing all files
Adding travis yml
Merge pull request #2 from simon-kim/homework1

Adding travis yml
Forgot to install grunt-cli
Merge pull request #3 from simon-kim/homework1

Forgot to install grunt-cli
Adding button
Merge pull request #4 from simon-kim/master

Pulling