Refactor scripts (#2465)

* Refactor all kinds of scripts

* Update docs to ensure linter passes

.editorconfig

@@ -3,8 +3,13 @@ root = true
 [*]
 charset = utf-8
 
-[*.js]
+[*.{js,json,yml,html,md}]
 indent_style = tab
+tab_width = 4
 trim_trailing_whitespace = true
 insert_final_newline = true
 end_of_line = lf
+
+[{package.json,.travis.yml}]
+indent_style = space
+indent_size = 2