feat: perfect migrate to @vue/cli-service, upgrade vue babel version

1. update to @vue/cli-service@3.0.5, @babel/core@7.0.0
2. use vue-cli service replace config file in build/ and config/
3. upgrade vue and babel configuration
4. solve the svg-sprite config problem #980

refs: #932 #1087  #980 #1056

babel.config.js

@@ -0,0 +1,14 @@
+module.exports = {
+  presets: [
+    ['@vue/app', { modules: 'commonjs' }]
+  ],
+  plugins: [],
+  env: {
+    test: {
+      presets: [
+        ['@vue/app', { modules: 'commonjs' }]
+      ],
+      plugins: ['istanbul']
+    }
+  }
+}