Unhide and unstyle .bubble to show content. Hide more interface.

.bubble is now applied to each file display and was previously
hidden. Unstyle means reset cosmetic things to make it blank.
Change all instances of #files > .files & .file > .file-box

ALso reset width and float of .files container.
Add newline to end of gistdeck.js to stop git complaining.
Merge pull request #15 from henrahmagix/master

Update CSS to match current gist styles.