Add QT 4.6.4 build shell script and apps build shell script in qt4 folder

guowenxue

2019-05-17 1abf6c4b401af1c20d62fe9c2f5e73ce84d14b22

 modules/python/sht20.py

old mode 100644
new mode 100755
@@ -1,4 +1,6 @@
#!/usr/bin/python
#-*- coding: utf-8 -*-

import fcntl
import time
import unittest