Fixes issue almende#3428 - Adds locale for Chinese (cn) (almende#3430)

* Fixes issue almende#3428 - Adds locale for Chinese (cn)

* Corrects spacing in Chinese locale definition.

lib/network/locales.js

@@ -127,3 +127,21 @@ exports['ru'] = {
   editClusterError: 'Кластеры недоступны для редактирования.'
 };
 exports['ru_RU'] = exports['ru'];
+
+// Chinese
+exports['cn'] = {
+  edit: '编辑',
+  del: '删除选定',
+  back: '返回',
+  addNode: '添加节点',
+  addEdge: '添加连接线',
+  editNode: '编辑节点',
+  editEdge: '编辑连接线',
+  addDescription: '单击空白处放置新节点。',
+  edgeDescription: '单击某个节点并将该连接线拖动到另一个节点以连接它们。',
+  editEdgeDescription: '单击控制节点并将它们拖到节点上连接。',
+  createEdgeError: '无法将连接线连接到群集。',
+  deleteClusterError: '无法删除群集。',
+  editClusterError: '无法编辑群集。'
+};
+exports['zh_CN'] = exports['cn'];