Use 'typescript' as declared module name for services.

Author: DanielRosenwasser

Jakefile

@@ -316,7 +316,11 @@ compileFile(nodeDefinitionsFile, servicesSources,[builtLocalDirectory, copyright
 
                 // Create the node definition file by appending "export = ts;"
                 jake.cpR(standaloneDefinitionsFile, nodeDefinitionsFile, {silent: true});
-                fs.appendFileSync(nodeDefinitionsFile, os.EOL + "export = ts;");
+                fs.appendFileSync(nodeDefinitionsFile,
+                    os.EOL +
+                    'declare module "typescript" {' + os.EOL +
+                    '    export = ts;' + os.EOL +
+                    '}');
 
                 // Delete the temp dir
                 jake.rmRf(tempDirPath, {silent: true});