Fix travis and cluster installs.
Merge pull request #1179 from brendandburns/fix

Fix travis and cluster installs.
Merge branch 'master' into build-go-verbose
Exclude vendored etcd.
Merge pull request #1180 from brendandburns/fix

Move vendored etcd to third_party/...
Merge branch 'master' into build-go-verbose
Merge pull request #1171 from yaronr/patch-1

Update azure.md
Simplify labels for `kubecfg run`

We created a name=<controller name> label on each object we created.  This was confusing.  Instead, piggyback on `replicationController` label and use that as the selector.
Add template update to rollingUpdate
Pretty up the demo a little.

Use images and some better formatting.  Also add scripts to help prevent typos.

This based on an improved version done by Julia Ferraioli.  She came up with the cool images.
Fix/expand kubecfg unit tests
Add containerPort to services in guestbook example
Use KUBECFG instead of CLOUDCFG in scripts
Fix up e2e test for update demo.

Use the scripts that are in the example directory.  Also actually run the update as part of the test.
Improve 'Usage' for kubecfg
Merge pull request #1155 from derekwaynecarr/improve_vagrant_startup

Improve kube-up to validate salt provisioned each machine
Merge pull request #1170 from Ch00k/build-go-verbose

Be a little more verbose while building local go
default to build all binaries even if build options given
Merge pull request #1172 from eparis/build-all

default to build all binaries even if build options given
Capitalize bash variable and prefix with KUBE_

We intend to make these setable by the environment.  This just does the
renaming.