Fixing upper case in the include path

lib/azure.js

@@ -101,7 +101,7 @@ exports.createServiceBusService = function (namespace, accessKey, issuer, acsNam
 * ServiceManagement client exports.
 */
 
-var ServiceManagementService = require('./services/serviceManagement/servicemanagementservice');
+var ServiceManagementService = require('./services/servicemanagement/servicemanagementservice');
 exports.ServiceManagementService = ServiceManagementService;
 
 /**