Added chaining to run, simplyfied exports.run

Author: indutny

lib/forever.js

@@ -55,14 +55,15 @@ Forever.prototype.run = function () {
       self.emit('exit', null, self);
     }
   });
+  
+  // Chaining support
+  return this;
 };
 
 // Export the Forever object
 exports.Forever = Forever;
 
 // Export the core 'run' method
 exports.run = function (file, options) {
-  var forever = new Forever(file, options);
-  forever.run();
-  return forever;
-};
+  return new Forever(file, options).run();
+};