Some overview docs on the demos#4

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jaymzcd wants to merge 5 commits intocodrops:masterfrom

Commits on Nov 27, 2012

added thumbnails to the exsisting code
Charlie Dennnington
committed
written up docs
Charlie Dennnington
committed

Commits on Nov 28, 2012

read me actually added to readme.md file
Charlie Dennnington
committed
first draft of readme complete
Charlie Dennnington
committed
add syntax highlighting on readme
jaymz
committed