Removes Time, Namespace, and Revision from being exposed to templates to
make template rendering discrete and repeatable.

ref(cmd): dry up values and chartpath flag options

ref(cmd): test template cmd using golden files

ref(cmd): refactor argument validation

ref(tests): simplify cmd test setup/teardown

Ensure proper cleanup of `HELM_HOME` and `HELM_DEBUG`

ref(*): s/tiller/helm/

feat(*): print stacktrace on error with debug enabled

 ref(cmd): consistent naming of cmd variables

ref(tests): use golden files for testing command output

ref(*): rebuild build version object

ref(pkg/tiller): add flag to enable tilling logging in tests

`go test ./pkg/tiller -test.log`

ref(*): convert const types to strings

ref(cmd): simplify cmd test setup

ref(*): remove local repository (dead code)

ref(cmd): remove serve command

https://github.com/kubernetes-helm/community/blob/master/helm-v3/000-helm-v3.md#commandflag-differences-from-helm-2

fixes #3937

feat(cmd): add --all-namespaces to list

feat(dep): replace glide with dep

https://github.com/kubernetes-helm/community/blob/master/helm-v3/003-state.md#namespacing-changes

https://github.com/kubernetes-helm/community/blob/master/helm-v3/000-helm-v3.md#commandflag-differences-from-helm-2