[docs] updated vue-loader into Title Case in all titles (#1176)

* [docs][en] updated Vue Loader as Title Case for all titles

* [docs][zh-cn] updated Vue Loader as Title Case for all titles

* [docs] updated vue-loader into Title Case for all titles

Author: Jinjiang

Diff for: README.md

@@ -1,4 +1,4 @@
-# vue-loader [![Build Status](https://circleci.com/gh/vuejs/vue-loader/tree/master.svg?style=shield)](https://circleci.com/gh/vuejs/vue-loader/tree/master) [![Windows Build status](https://ci.appveyor.com/api/projects/status/8cdonrkbg6m4k1tm/branch/master?svg=true)](https://ci.appveyor.com/project/yyx990803/vue-loader/branch/master) [![npm package](https://img.shields.io/npm/v/vue-loader.svg?maxAge=2592000)](https://www.npmjs.com/package/vue-loader)
+# Vue Loader [![Build Status](https://circleci.com/gh/vuejs/vue-loader/tree/master.svg?style=shield)](https://circleci.com/gh/vuejs/vue-loader/tree/master) [![Windows Build status](https://ci.appveyor.com/api/projects/status/8cdonrkbg6m4k1tm/branch/master?svg=true)](https://ci.appveyor.com/project/yyx990803/vue-loader/branch/master) [![npm package](https://img.shields.io/npm/v/vue-loader.svg?maxAge=2592000)](https://www.npmjs.com/package/vue-loader)
 
 > Vue.js component loader for [Webpack](https://webpack.js.org/).
 

Diff for: docs/en/README.md

@@ -1,6 +1,6 @@
 # Introduction
 
-### What is `vue-loader`?
+### What is Vue Loader?
 
 `vue-loader` is a loader for webpack that can transform Vue components written in the following format into a plain JavaScript module:
 

Diff for: docs/ja/README.md

@@ -1,6 +1,6 @@
 # はじめに
 
-### `vue-loader` とは ?
+### Vue Loader とは ?
 
 `vue-loader` とは以下の形式で記述された Vue コンポーネントをプレーンな JavaScript モジュールに変換する webpack の loader です。
 

Diff for: docs/kr/README.md

@@ -1,6 +1,6 @@
 # 소개
 
-### `vue-loader`는 무엇인가요?
+### Vue Loader는 무엇인가요?
 
 `vue-loader`는 다음과 같이 작성된 Vue 컴포넌트를 일반적인 자바스크립트 모듈로 변환할 수 있는 webpack에서 사용하는 로더입니다.
 

Diff for: docs/pt_BR/README.md

@@ -1,6 +1,6 @@
 # Introdução
 
-### O que é `vue-loader`?
+### O que é Vue Loader?
 
 `vue-loader` é um carregador para webpack capaz de transformar componentes Vue, como o exemplo abaixo, em um módulo JavaScript sem formatação:
 

Diff for: docs/ru/README.md

@@ -1,6 +1,6 @@
 # Введение
 
-### Что такое `vue-loader`?
+### Что такое Vue Loader?
 
 `vue-loader` – это загрузчик для webpack, который преобразует Vue компоненты, написанные в следующем формате в обычные JavaScript модули:
 

Diff for: docs/zh-cn/README.md

@@ -1,6 +1,6 @@
 # 介绍
 
-### `vue-loader` 是什么？
+### Vue Loader 是什么？
 
 `vue-loader` 是一个 webpack 的 loader，可以将用下面这个格式编写的 Vue 组件转换为 JavaScript 模块：