Add notice for REST new features and sample app

.gitignore

@@ -4,5 +4,6 @@
 build/
 dist/
 MANIFEST
-
+*stage-*
+*tmp*
 .*.sw*

README.md

@@ -13,7 +13,7 @@ The PayPal REST SDK provides Python APIs to create, process and manage payment.
 
 > **Before starting to use the sdk, please be aware of the [existing issues and currently available or upcoming features](https://github.com/paypal/rest-api-sdk-python/wiki/Existing-Issues-and-Unavailable%5CUpcoming-features) for the REST APIs. (which the sdks are based on)** 
 
-> https://developer.paypal.com/webapps/developer/docs/integration/direct/explore-payment-capabilities/
+> The REST APIs are getting closer to parity with older merchant APIs. Check out https://github.com/paypal/rest-api-sdk-python#explore-further-payment-capabilities
 
 ## Installation
 
@@ -231,6 +231,8 @@ print(response)
 
 Check out [more samples](/samples/subscription/). The [Subscription REST APIs](https://developer.paypal.com/webapps/developer/docs/api/#subscriptions) are fully supported by the sdk.
 
+Also, check out a [flask application](/samples/subscription/ppsubscribe) demonstrating the use of subscription APIs from both merchant and customer points of view.
+
 ### Orders
 
 Create and manage [Orders](https://developer.paypal.com/webapps/developer/docs/integration/direct/create-process-order/#create-the-order), i.e. getting consent from buyer for a purchase but only placing the funds on hold when the merchant is ready to fulfill the [order](https://developer.paypal.com/webapps/developer/docs/api/#orders), have a look at [samples](/samples/order)