- l10n: Add zh-CN dist files

- Linting (ESLint): Add back `no-console`; while useful for debugging, could flag incomplete code (and was breaking at reporting of unused directives)
- Docs (CHANGES): Add changes and apply more formal style
- Build: Rebuild with updated Babel/Rollup
- npm: Update devDeps

dist/extensions/ext-locale/arrows/zh-CN.js

@@ -0,0 +1,25 @@
+var svgEditorExtensionLocale_arrows_zh_CN = (function () {
+  'use strict';
+
+  var zhCN = {
+    name: '箭头',
+    langList: [{
+      id: 'arrow_none',
+      textContent: '无箭头'
+    }],
+    contextTools: [{
+      title: '选择箭头类型',
+      options: {
+        none: '无箭头',
+        end: '---->',
+        start: '<----',
+        both: '<--->',
+        mid: '-->--',
+        mid_bk: '--<--'
+      }
+    }]
+  };
+
+  return zhCN;
+
+}());