+editorconfig so we all use the same tab conventions

.editorconfig

@@ -0,0 +1,10 @@
+# EditorConfig helps developers define and maintain consistent coding styles between different editors and IDEs. http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+# 4 space indentation
+[*.py]
+indent_style = space
+indent_size = 4
+insert_final_newline = true