Include --no-check-certificate

Some old versions of wget don't support SNI

playbook/roles/install-script/templates/install.j2

@@ -7,7 +7,7 @@ BASE_SETUP_SCRIPT_MD5={{ base_setup.stat.md5 }}
 
 type wget >/dev/null 2>&1 || { echo >&2 "I require wget but it's not installed.  Aborting."; exit 1; }
 
-wget https://deploy.erp5.cn/base-setup -O /tmp/base-setup
+wget --no-check-certificate https://deploy.erp5.cn/base-setup -O /tmp/base-setup
 
 if [ "`md5sum /tmp/base-setup | cut -f1 -d\  `" !=  "$BASE_SETUP_SCRIPT_MD5" ]; then
   echo "ERROR: base-setup has wrong md5 `md5sum /tmp/base-setup | cut -f1 -d\  ` != $BASE_SETUP_SCRIPT_MD5"