Fixed broken app.yaml for angular sample (#692)

Author: ryanmats

appengine/standard/angular/app.yaml

@@ -1,21 +1,15 @@
-application: your-app-id
-version: 1
 runtime: python27
 threadsafe: true
 api_version: 1
 
 handlers:
-- url: /favicon\.ico
-  static_files: favicon.ico
-  upload: favicon\.ico
-
 - url: /rest/.*
   script: main.APP
 
-- url: (.*)/
-  static_files: app\1/index.html
-  upload: app
+- url: /(.+)
+  static_files: app/\1
+  upload: app/.*
 
-- url: (.*)
-  static_files: app\1
-  upload: app
+- url: /
+  static_files: app/index.html
+  upload: app/index.html