Fix file resolving from examples

examples/node/basic.js

@@ -1,6 +1,8 @@
+var path = require('path');
 var Tesseract = require('../../') // replace this with require('tesseract.js')
+var image = path.resolve(__dirname, 'cosmic.png');
 
-Tesseract.recognize('cosmic.png')
+Tesseract.recognize(image)
 .then(function(data){
 	console.log(data.text)
 })

examples/node/detect.js

@@ -1,6 +1,8 @@
+var path = require('path');
 var Tesseract = require('../../') // replace this with require('tesseract.js')
+var image = path.resolve(__dirname, 'cosmic.png');
 
-Tesseract.detect('cosmic.png')
+Tesseract.detect(image)
 .progress(function(info){
 	console.log(info)
 })