Replace custom proxy with httputil.ReverseProxy for kubecfg/kubectl.

Fixes #1149 - kubecfg proxy "411 Length Required" error on POST/PUT.
build: switch to golang:1.3 and build go for KUBE_CROSSPLATFORMS
build: add kube-build:cross base
build: fix golang pull message
Increase memory limit of frontend-controller in our guestbook example.
Rename ID -> Name
Replace use of "id" in strings with "name"
Merge pull request #1962 from dchen1107/fix

Increase memory limit of frontend-controller in our guestbook example.
Merge pull request #1961 from smarterclayton/rename_id_to_name

Rename APIObject ID -> Name everywhere
Refactor kubelet access and add SSL
Merge pull request #1893 from crhym3/fix-1149-req-body

Replace custom ProxyServer (kubecfg/kubectl -proxy) with httputil.ReverseProxy
Merge pull request #1746 from hmrm/refactor-kubelet-access

Refactor kubelet access and add SSL
build: add KUBE_BUILD_GOLANG_VERSION
README: add todos
Merge pull request #1658 from proppy/slim-kube-build

build: switch to golang:1.3 and build go for KUBE_CROSSPLATFORMS
Merge pull request #1942 from proppy/podex-readme

podex: add todos
Fix e2e test for .ID->.Name change
Merge pull request #1967 from jbeda/e2e-fix

Fix e2e test for .ID->.Name change
New e2e script (in go this time) that doesn't completely suck