Switch svg to woff font for firefox compatibility with fontello
Generate link to playground only when icon clicked
Standardize whitespace in index.html
The whitespace is now 4 spaces for leading <div> tags and two spaces for indentations.
In addition, tabs were removed and replaced with spaces.
Revert editor whitespace as it is indent-sensitive
Merge pull request #37 from jasonkliu/14652_frontpage_style

Fix Firefox icon, onclick icon, whitespace