Initial checkin from CRI-O repo

Signed-off-by: Matthew Heon <matthew.heon@gmail.com>

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+# client-go
+
+Go clients for talking to a [kubernetes](http://kubernetes.io/) cluster.
+
+We currently recommend using the v2.0.0 tag. See [INSTALL.md](/INSTALL.md) for
+detailed installation instructions. `go get k8s.io/client-go/...` works, but
+will give you head and doesn't handle the dependencies well.
+
+[![Build Status](https://travis-ci.org/kubernetes/client-go.svg?branch=master)](https://travis-ci.org/kubernetes/client-go)
+[![GoDoc](https://godoc.org/k8s.io/client-go?status.svg)](https://godoc.org/k8s.io/client-go)
+
+## Table of Contents
+ 
+- [What's included](#whats-included)
+- [Versioning](#versioning)
+  - [Compatibility: your code <-> client-go](#compatibility-your-code---client-go)
+  - [Compatibility: client-go <-> Kubernetes clusters](#compatibility-client-go---kubernetes-clusters)
+  - [Compatibility matrix](#compatibility-matrix)
+  - [Why do the 1.4 and 1.5 branch contain top-level folder named after the version?](#why-do-the-14-and-15-branch-contain-top-level-folder-named-after-the-version)
+- [How to get it](#how-to-get-it)
+- [How to use it](#how-to-use-it)
+- [Dependency management](#dependency-management)
+- [Contributing code](#contributing-code)
+
+### What's included
+
+* The `kubernetes` package contains the clientset to access Kubernetes API.
+* The `discovery` package is used to discover APIs supported by a Kubernetes API server.
+* The `dynamic` package contains a dynamic client that can perform generic operations on arbitrary Kubernetes API objects.
+* The `transport` package is used to set up auth and start a connection.
+* The `tools/cache` package is useful for writing controllers.
+
+### Versioning
+
+`client-go` follows [semver](http://semver.org/). We will not make
+backwards-incompatible changes without incrementing the major version number. A
+change is backwards-incompatible either if it *i)* changes the public interfaces
+of `client-go`, or *ii)* makes `client-go` incompatible with otherwise supported
+versions of Kubernetes clusters.
+
+Changes that add features in a backwards-compatible way will result in bumping
+the minor version (second digit) number.
+
+Bugfixes will result in the patch version (third digit) changing. PRs that are
+cherry-picked into an older Kubernetes release branch will result in an update
+to the corresponding branch in `client-go`, with a corresponding new tag
+changing the patch version.
+
+A consequence of this is that `client-go` version numbers will be unrelated to
+Kubernetes version numbers.
+
+#### Branches and tags.
+
+We will create a new branch and tag for each increment in the major version number or
+minor version number. We will create only a new tag for each increment in the patch
+version number. See [semver](http://semver.org/) for definitions of major,
+minor, and patch.
+
+The master branch will track HEAD in the main Kubernetes repo and
+accumulate changes. Consider HEAD to have the version `x.(y+1).0-alpha` or
+`(x+1).0.0-alpha` (depending on whether it has accumulated a breaking change or
+not), where `x` and `y` are the current major and minor versions.
+
+#### Compatibility: your code <-> client-go
+
+`client-go` follows [semver](http://semver.org/), so until the major version of
+client-go gets increased, your code will compile and will continue to work with
+explicitly supported versions of Kubernetes clusters. You must use a dependency
+management system and pin a specific major version of `client-go` to get this
+benefit, as HEAD follows the upstream Kubernetes repo.
+
+#### Compatibility: client-go <-> Kubernetes clusters
+
+Since Kubernetes is backwards compatible with clients, older `client-go`
+versions will work with many different Kubernetes cluster versions.
+
+We will backport bugfixes--but not new features--into older versions of
+`client-go`.
+
+
+#### Compatibility matrix
+
+|                     | Kubernetes 1.3 | Kubernetes 1.4 | Kubernetes 1.5 | Kubernetes 1.6 |
+|---------------------|----------------|----------------|----------------|----------------|
+| client-go 1.4       | +              | ✓              | -              | -              |
+| client-go 1.5       | +              | +              | -              | -              |
+| client-go 2.0       | +              | +              | ✓              | -              |
+| client-go 3.0 beta  | +              | +              | +              | ✓              |
+| client-go HEAD      | +              | +              | +              | +              |
+
+Key:
+
+* `✓` Exactly the same features / API objects in both client-go and the Kubernetes
+  version.
+* `+` client-go has features or api objects that may not be present in the
+  Kubernetes cluster, but everything they have in common will work.
+* `-` The Kubernetes cluster has features the client-go library can't use
+  (additional API objects, etc).
+
+See the [CHANGELOG](./CHANGELOG.md) for a detailed description of changes
+between client-go versions.
+
+| Branch         | Canonical source code location       | Maintenance status            |
+|----------------|--------------------------------------|-------------------------------|
+| client-go 1.4  | Kubernetes main repo, 1.4 branch     | = -                           |
+| client-go 1.5  | Kubernetes main repo, 1.5 branch     | = -                           |
+| client-go 2.0  | Kubernetes main repo, 1.5 branch     | ✓                             |
+| client-go 3.0  | Kubernetes main repo, 1.6 branch     | ✓                             |
+| client-go HEAD | Kubernetes main repo, master branch  | ✓                             |
+
+Key:
+
+* `✓` Changes in main Kubernetes repo are actively published to client-go by a bot
+* `=` Maintenance is manual, only severe security bugs will be patched.
+* `-` Deprecated; please upgrade.
+
+#### Deprecation policy
+
+We will maintain branches for at least six months after their first stable tag
+is cut. (E.g., the clock for the release-2.0 branch started ticking when we
+tagged v2.0.0, not when we made the first alpha.) This policy applies to
+every version greater than or equal to 2.0.
+
+#### Why do the 1.4 and 1.5 branch contain top-level folder named after the version?
+
+For the initial release of client-go, we thought it would be easiest to keep
+separate directories for each minor version. That soon proved to be a mistake.
+We are keeping the top-level folders in the 1.4 and 1.5 branches so that
+existing users won't be broken.
+
+### How to get it
+
+You can use `go get k8s.io/client-go/...` to get client-go, but **you will get
+the unstable master branch** and `client-go`'s vendored dependencies will not be
+added to your `$GOPATH`. So we think most users will want to use a dependency
+management system. See [INSTALL.md](/INSTALL.md) for detailed instructions.
+
+### How to use it
+
+If your application runs in a Pod in the cluster, please refer to the in-cluster [example](examples/in-cluster/main.go), otherwise please refer to the out-of-cluster [example](examples/out-of-cluster/main.go).
+
+### Dependency management
+
+If your application depends on a package that client-go depends on, and you let the Go compiler find the dependency in `GOPATH`, you will end up with duplicated dependencies: one copy from the `GOPATH`, and one from the vendor folder of client-go. This will cause unexpected runtime error like flag redefinition, since the go compiler ends up importing both packages separately, even if they are exactly the same thing. If this happens, you can either
+* run `godep restore` ([godep](https://github.com/tools/godep)) in the client-go/ folder, then remove the vendor folder of client-go. Then the packages in your GOPATH will be the only copy
+* or run `godep save` in your application folder to flatten all dependencies.
+
+### Contributing code
+Please send pull requests against the client packages in the Kubernetes main [repository](https://github.com/kubernetes/kubernetes), and run the `/staging/copy.sh` script to update the staging area in the main repository. Changes in the staging area will be published to this repository every day.