allow proxy to accept a listen address.  fixes #1220
changed address variable to bindAddress.  Used net.JoinHostPort() instead of fmt.Sprintf()
Return standard API errors from etcd registry by operation

Adds pkg/api/errors/etcd, which defines default conversions
for common CRUD operations from etcd to api.
Merge pull request #1192 from smarterclayton/standardize_etcd_errors

Return standard API errors from etcd registry by operation
Release Kubernetes v0.2

This commit will be tagged with a v0.2 annotated git tag.

Tested:
- Created a git tag for it, built it and checked output of -version:

    $ git tag -a -m 'Release Kubernetes v0.2' v0.2

    $ make
    hack/build-go.sh
    Building local go components

    $ _output/go/bin/kubecfg -version
    Kubernetes version 0.2, build b47f9af5c9ea770973be1b001adaffbdfcb08618

    $ _output/go/bin/kubecfg -version=raw
    version.Info{Major:"0", Minor:"2", GitVersion:"v0.2", GitCommit:"b47f9af5c9ea770973be1b001adaffbdfcb08618", GitTreeState:"clean"}

- Made sure hack/test-go.sh and hack/test-cmd.sh still pass.

Fixes: Issue #1018

Signed-off-by: Filipe Brandenburger <filbranden@google.com>
ovs networking document

Update networking.md
Typo correction
Merge pull request #1224 from ironcladlou/spellmaster

Typo correction
Merge pull request #1222 from bketelsen/master

allow proxy to accept a listen address.  fixes #1220
Merge pull request #1219 from filbranden/release_v0.2

Release Kubernetes v0.2
Change directions to use a "stable" release.
update vagrant to point at the 0.2 release
slight wording change
refine links.
Use codec to encode/decode api objects in client and kubecfg parser
Merge pull request #1115 from csrwng/use_codec_in_printing_and_parsing

Use codec to encode/decode api objects in client and kubecfg parser
avoid dumping error pages into error messages
Fix a bug where we don't return an error.
Merge pull request #1215 from rajatchopra/ovsdoc

ovs networking document
Merge pull request #1232 from dbcode/master

avoid dumping error pages into error messages