packer: Update url from the ansible based scripts

   Officially we prefer erp5.net for now.

packer/scripts/setup-erp5-standalone.sh

 
-wget http://deploy.erp5.cn/erp5-standalone -O /root/run-standalone
+wget http://deploy.erp5.net/erp5-standalone -O /root/run-standalone
 bash /root/run-standalone
 
 sleep 10

packer/scripts/setup-testing-version.sh

@@ -32,7 +32,7 @@ fi
 
 export TERM=xterm
 sleep 5
-wget -O /root/launch-test http://deploy.erp5.cn/launch-test
+wget -O /root/launch-test http://deploy.erp5.net/launch-test
 chmod +x /root/launch-test
 bash -lc /root/launch-test
 

packer/scripts/setup-webrunner-standalone.sh

 
-wget http://deploy.erp5.cn/webrunner-standalone -O /root/run-standalone
+wget http://deploy.erp5.net/webrunner-standalone -O /root/run-standalone
 bash /root/run-standalone
 
 sleep 10

packer/scripts/setup-wendelin-standalone.sh

 
-wget http://deploy.erp5.cn/wendelin-standalone -O /root/run-standalone
+wget http://deploy.erp5.net/wendelin-standalone -O /root/run-standalone
 bash /root/run-standalone
 
 sleep 10