Stat labels hidden until mouseover
linked up contributing page to landing and docs

examples styles
further styling on examples 1 and 2. also added script for example 3 to toggle the full app
fixing merge conflict in app/scripts/main.coffee
incorporating prettify
example 3 is finished except for alchemy.js assets do not show up
Merge pull request #157 from ifjorissen/ifj_landing

Examples 1, 2 and 3