make sure update.sh can be run no matter age of VM

lib.sh

@@ -1193,6 +1193,11 @@ run_main_script() {
 run_script GITHUB_REPO "${1}"
 }
 
+# Backwards compatibility (2020-10-25) Needed for update.sh to run in all VMs, even those several years old
+run_static_script() {
+run_script STATIC "${1}"
+}
+
 version(){
     local h t v