[GCE] detect-master and detect-minions api calls should specify the zone

Otherwise KUBE_MASTER_IP and KUBE_MINION_IP_ADDRESSES may contain 'external-ip'

    $ detect-master
    Using master: kubernetes-master (external IP: external-ip)'
Improve kube-up to validate salt provisioned
Use shared watch code in kubelet etcd config
Adding files to Godeps should not trigger gofmt or boilerplate warnings
Include pod status in kebecfg humanreadable result.
Merge pull request #1145 from ddysher/pod-print-status

Include pod status in kebecfg humanreadable result.
Merge pull request #1163 from ghodss/exclude_godeps_from_git_hook

Adding files to Godeps should not trigger gofmt or boilerplate warnings
Merge pull request #1138 from bcwaldon/common-watch-code

Use shared watch code in kubelet etcd config
Be a little more verbose while building local go
Update azure.md

For this to run, VNET and SUBNET need to be set.
Re-enable travis for Go tip
Merge pull request #1176 from brendandburns/travis

Re-enable travis for Go tip
Fix a shell typo.
Merge pull request #1177 from brendandburns/travis

Fix a shell typo.
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