breadcrumb implementation foudation
add breadcrumb styling
breadcrumb with ui-refs (still buggy)
make last element non clickable
use a root abstract state
Fixed header height
fix home re-routing bug
Send 404 for not found static content
update products images
breadcrumb implementation (done)
Merge branch 'feature/breadcrumb' into develop

Conflicts:
	client/app/app.js
	client/app/controllers/ProductCtrl.js
	client/views/index.jade
	server/server.js