Convert to Express 4 and not working.
Add working example of express 4
Get index handlebar template working.
Get image handlebar template working.
update code for Express 4
Get temp view data working.
update
Update links.
Get image upload.
add helpers
add fe js
getting mongodb working.
Chap 7 finish but delete not working.
get deleting working.
Chap 8 API.
Chap 8 API.
start setting up tests.
start setting up tests.
start setting up tests.
Merge branch 'express4'

Conflicts:
	controllers/home.js
	controllers/image.js
	package.json
	server/configure.js
	views/image.handlebars
	views/index.handlebars
	views/layouts/main.handlebars