Added my JSON plugin to the nifties

It's a plugin to respond with a document represented as JSON (meta and raw content). I think it's nifty :)
Merge pull request #5 from ntotten/master

Added deployment instructions for Windows Azure Web Sites
Merge pull request #6 from ntotten/master

Corrected a minor typo in the deployment docs.
Made event names inside code elements to prevent them from going upper-case
Merge pull request #4 from lzrski/patch-1

Added my JSON plugin to the nifties
Updated for latest developments
Added `Require authentication to view certain documents` to nifties
Add hamlcoffee renderer reference.
Merge pull request #7 from ashnur/patch-1

Add hamlcoffee renderer reference.
Update community/showcase.html.md

Submitting docpad.evbogue.com for consideration in community showcase
Merge pull request #8 from evbogue/patch-1

Update community/showcase.html.md
Fix tiny typo.
Fix another tiny typo.
Merge pull request #10 from amouravski/patch-2

Fix another tiny typo.
Merge pull request #9 from amouravski/patch-1

Fix tiny typo.
Updated Azure deployment docs.