Export NativeModule

This is used by atom for doing module compile cache.

(cherry picked from commit 83b45fddb9a36c1376f7a2b5c70717e37b6f0133)

lib/internal/bootstrap/loaders.js

@@ -121,7 +121,7 @@
     this.loading = false;
   }
 
-  NativeModule._source = getBinding('natives');
+  NativeModule._source = process.binding('natives');
   NativeModule._cache = {};
 
   const config = getBinding('config');

lib/internal/bootstrap/node.js

@@ -24,6 +24,8 @@
 
     EventEmitter.call(process);
 
+    process.NativeModule = NativeModule;
+
     setupProcessObject();
 
     // Do this good and early, since it handles errors.