Semantics - swapping alt attribute date-code on div that receives the icon
Javascript in external file
Scripts in footer
Merge pull request #14 from fdaciuk/pr1_semantics

Swapping alt attribute for data-code because it's more semantic. Props @fdaciuk.
Merge pull request #15 from fdaciuk/pr2_javascript_changes

Putting js in external files and moving them down into the footer. Props @fdaciuk.
Update README.md
Update README.md
Merge branch 'master' into gh-pages