Merge release 1.14 into 1.15. (#16439)

1. Confirm the document content is similar as en version.
2. Merge the zh release-1.14 version into 1.15 version
3. add the 1.14 all sample into 1.15 for template work. The build looks fine.

- docs
  - concepts
    - architecture

content/zh/examples/README.md

@@ -0,0 +1,17 @@
+注意：这些测试是从 kubernetes 导入的代码实际上并不打算在存储库之外使用。
+这就导致了供应商依赖问题。因此，我们必须在 travis 配置这些行:
+<!--
+Note: These tests are importing code from kubernetes that isn't really
+meant to be used outside the repo. This causes vendoring problems. As
+a result, we have to work around those with these lines in the travis
+config:
+-->
+
+```
+- rm $GOPATH/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery
+- rm $GOPATH/src/k8s.io/kubernetes/vendor/k8s.io/apiserver
+- rm $GOPATH/src/k8s.io/kubernetes/vendor/k8s.io/client-go
+- cp -r $GOPATH/src/k8s.io/kubernetes/vendor/* $GOPATH/src/
+- rm -rf $GOPATH/src/k8s.io/kubernetes/vendor/*
+- cp -r $GOPATH/src/k8s.io/kubernetes/staging/src/* $GOPATH/src/
+```