add a template for a stub script - runs the script relative to the currently open blend file.

release/scripts/templates/script_stub.py

@@ -0,0 +1,11 @@
+# This stub runs a python script relative to the currently open
+# blend file, useful when editing scripts externally.
+
+import bpy
+import os
+
+# Use your own script name here:
+filename = "my_script.py"
+
+filepath = os.path.join(os.path.basename(bpy.data.filepath), filename)
+exec(compile(open(filepath).read(), filepath, 'exec'))