Upgrade to Express 3.3.1 and Jade 0.32.0
Merge pull request #97 from jedwood/express3

Upgrade to Express 3 and current Jade - dynamic helpers modified/moved into app.config/app.use section; Jade templates using extend/block conventions.
Merge branch 'master' of https://github.com/mashery/iodocs

Conflicts:
	views/api.jade
	views/layout.jade
	views/listAPIs.jade