Split the app configuration function

For readability, especially in light of the injection annotations,
split the app configuration functions in ``app.coffee``.

h/static/scripts/app.coffee

@@ -23,11 +23,19 @@ resolve =
   store: ['store', (store) -> store.$promise]
 
 
-configure = [
-  '$locationProvider', '$routeProvider', '$sceDelegateProvider',
-  ($locationProvider,   $routeProvider,   $sceDelegateProvider) ->
+configureLocation = ['$locationProvider', ($locationProvider) ->
+  # Use HTML5 history
   $locationProvider.html5Mode(true)
+]
+
+
+configureHttp = ['$httpProvider', ($httpProvider) ->
+  # Inject the authorization token on HTTP requests
+  $httpProvider.interceptors.push('jwtInterceptor')
+]
+
 
+configureRoutes = ['$routeProvider', ($routeProvider) ->
   $routeProvider.when '/a/:id',
     controller: 'AnnotationViewerController'
     templateUrl: 'viewer.html'
@@ -43,7 +51,10 @@ configure = [
     resolve: resolve
   $routeProvider.otherwise
     redirectTo: '/viewer'
+]
+
 
+configureTemplates = ['$sceDelegateProvider', ($sceDelegateProvider) ->
   # Configure CSP for templates
   # XXX: IE workaround for the lack of document.baseURI property
   baseURI = document.baseURI
@@ -57,4 +68,12 @@ configure = [
   $sceDelegateProvider.resourceUrlWhitelist ['self', basePattern]
 ]
 
+
+configure = ['$injector', ($injector) ->
+  $injector.invoke(configureHttp)
+  $injector.invoke(configureLocation)
+  $injector.invoke(configureRoutes)
+  $injector.invoke(configureTemplates)
+]
+
 angular.module('h', imports, configure)