fixed #12 JobManager's newBlock event never gets emitted

The `init` function does not auto-execute anymore. It is instead added as a public member for `DaemonInterface` and called by `Pool.SetupDaemonInterface`.

lib/daemon.js

@@ -26,12 +26,12 @@ function DaemonInterface(options){
     })();
 
 
-    (function init(){
+    function init(){
         isOnline(function(online){
             if (online)
                 _this.emit('online');
         });
-    })();
+    };
 
     function isOnline(callback){
         cmd('getinfo', [], function(error, result){
@@ -110,6 +110,7 @@ function DaemonInterface(options){
 
     //public members
 
+    this.init = init;
     this.isOnline = isOnline;
     this.cmd = cmd;
 }

lib/pool.js

@@ -279,6 +279,8 @@ var pool = module.exports = function pool(options, authorizeFn){
         }).on('error', function(message){
             emitErrorLog('system', message);
         });
+
+        _this.daemon.init();
     }