[fix] Use process.execPath instead of a hashbang.

Author: AvianFlu

Diff for: bin/monitor

@@ -1,5 +1,3 @@
-#! /usr/bin/env node
-
 var path = require('path'),
     forever = require(path.resolve(__dirname, '..', 'lib', 'forever')),
     started;

Diff for: lib/forever.js

@@ -388,7 +388,7 @@ forever.startDaemon = function (script, options) {
   errFD = fs.openSync(options.logFile, 'a');
   monitorPath = path.resolve(__dirname, '..', 'bin', 'monitor');
 
-  monitor = spawn(monitorPath, [ script ], {
+  monitor = spawn(process.execPath, [ monitorPath, script ], {
     stdio: [ 'ipc', outFD, errFD ],
     detached: true
   });