Restructure log location

Resolves #7 (closed)

mpsd-software-environment.py

@@ -101,6 +101,7 @@ def create_log_file_names(
         log_template = config_vars["installer_log_template"]
 
     return log_template.substitute(
+            mpsd_release=mpsd_release,
             mpsd_microarch=mpsd_microarch,
             date=date,
             action=action,