Add git pull to set funtcion

app/util/job.py

@@ -26,6 +26,8 @@ def run():
     if os.path.basename(working_dir) != 'rr_tutorial':
         os.chdir('rr_tutorial')
 
+    subprocess.check_output(['git', 'pull'])
+
     book_toc_size = os.path.getsize('master_book.toc') \
         if os.path.isfile('master_book.toc') else 0
     article_toc_size = os.path.getsize('master_article.toc') \