app.js

var app = angular.module('guest', []);

app.config(['$controllerProvider', '$routeProvider', '$locationProvider', function ($controllerProvider, $routeProvider, $locationProvider) {
	app.controller = $controllerProvider.register;
	
	$locationProvider.html5mode(true);
	
	$routeProvider.when('/', {
		templateUrl: '/sometemplate',
		controller: 'welcome',
		sitearea: 'welcome'
	}).otherwise({
		templateurl: '/some404'
	});
}]);

app.run(['$rootScope', function ($rootScope) {
	$rootScope.$on('$routeChangeStart', function (event, next, current) {
		$rootScope.sitearea = next.$$route.sitearea;	
	});
}]);

welcome.js

angular.module('guest').controller('welcome', ['$scope', function ($scope) {
	// some controller code
}]);