[NaCl SDK] Make the SDK examples buildable as a packaged app.

native_client_sdk/src/examples/hello_world/example.dsc

Index: native_client_sdk/src/examples/hello_world/example.dsc
diff --git a/native_client_sdk/src/examples/hello_world/example.dsc b/native_client_sdk/src/examples/hello_world/example.dsc
index d7453d89607588c63638f8481e4152f824793954..850bf66ca581e0b6827c64aae3f35374eef6bdf5 100644
--- a/native_client_sdk/src/examples/hello_world/example.dsc
+++ b/native_client_sdk/src/examples/hello_world/example.dsc
@@ -14,12 +14,5 @@
   'DEST': 'examples',
   'NAME': 'hello_world',
   'TITLE': 'Hello World.',
-  'DESC': """
-The Hello World In C example demonstrates the basic structure of all
-Native Client applications. This example loads a Native Client module.  The
-page tracks the status of the module as it load.  On a successful load, the
-module will post a message containing the string "Hello World" back to
-JavaScript which will display it as an alert.""",
-  'FOCUS': 'Basic HTML, JavaScript, and module architecture.',
   'GROUP': 'Tools'
 }