moved Developer's Guide link up below Tutorial

it's basically the next thing after the tutorial...
start guide.html and include markdown libs
grunt watch task also watches markdown .md files
markdown code syntax highlighting with javascript hack
yay, we can actually use raw blocks instead of escaping madness
moved markdown code doc js to app.coffee
first outline for guide
Merge pull request #40 from joernhees/markdown-guide-codecoloringjs

developer's guide outline with markdown integration