Bug Fix

Angular Proof
Only throws the prompt to save changes if form is dirty
added in ui-router instead of ngRoute
Merge remote-tracking branch 'origin/develop' into feature/angular

Conflicts:
	labs/architecture-examples/angularjs/app/index.html
moved leaving page to a directive
moved state change to directive also
added in page title
Making grunt serve configurable

different environments may need to use different ports. duplicate
sample.serve.config.json as serve.config.json and adjust accordingly