Convert all project to use common.mk

native_client_sdk/src/examples/hello_nacl_mounts/example.dsc

 {
   'TOOLS': ['newlib', 'glibc', 'win'],
   'TARGETS': [
     {
       'NAME' : 'hello_nacl_mounts',
       'TYPE' : 'main',
       'SOURCES' : [
         'handlers.c',
         'handlers.h',
         'hello_nacl_mounts.c',
         'hello_nacl_mounts.h',
         'queue.c',
         'queue.h',
       ],
       'LIBS': ['ppapi', 'pthread', 'nacl_mounts']
     }
   ],
   'DATA': [
+    'Makefile',
     'example.js'
   ],
   'DEST': 'examples',
   'NAME': 'hello_nacl_mounts',
   'TITLE': 'Hello, Nacl Mounts!',
   'DESC': """
-The NaCl Mounts example demonstrates mapping standard FILE such as fopen, 
+The NaCl Mounts example demonstrates mapping standard FILE such as fopen,
 fread, fwrite into mounts by linking in the nacl_mounts library.  This allows
-developers to wrap Pepper API such as the File IO API or URL Loader into 
+developers to wrap Pepper API such as the File IO API or URL Loader into
 standard blocking calls.""",
   'FOCUS': 'Using NaCl Mounts.',
   'GROUP': 'Concepts'
 }