Add clearing support (directly on remote server)

variables.conf.template

@@ -2,8 +2,14 @@
 
 # Copy this file as variables.conf, with the correct values
 
+# For both update and clear scripts:
+repo_name=""
+
+# For update script:
 remote_repository=""
 ssh_key=""
-ssh_options=""
-
+ssh_options="-i $ssh_key"
 exlist=""
+
+# For clear script:
+repo_directory=""