Merge pull request #98 from browserstack/local_binary_permission_issue

On linux, EACCES open ... BrowserStackLocal error. Fixes #91

Author: nakula

lib/local.js

@@ -4,7 +4,7 @@ var Log = require('./logger'),
   fs = require('fs'),
   http = require('http'),
   windows = ((process.platform.match(/win32/) || process.platform.match(/win64/)) !== null),
-  localBinary = __dirname + (windows ? '/BrowserStackTunnel.jar' : '/BrowserStackLocal'),
+  localBinary = process.cwd() + (windows ? '/BrowserStackTunnel.jar' : '/BrowserStackLocal'),
   utils = require('./utils'),
   config = require('./config');