This sorts templates by depth before sending them to the template
parser. Deepest templates are parsed first, with umbrella templates
parsed last. Since template definition names are LIFO, that means that
the highest level templates will claim the namespace.

Or, to put it simply, you can predictably override a child's defined
template by re-defining it in a parent chart.

Closes #2452

Check existence of $HELM_HOME/plugins before installing plugin

Adds alias for dependencies

fix(docs): Remove "no nested globals allowed"

Add check to stop helm 'waiting' for external services to become ready

Remove incorrect statements in charts.md about nested globals not being allowed.

Fixes https://github.com/kubernetes/helm/issues/2488

Errors out if install/upgrade fails to load-requirements

helm reset --force would clean a failed tiller deployment

- [ ] Fixes https://github.com/kubernetes/helm/issues/2441

ref(docs): remove unnecessary docs and clean up doc generator

ref(tiller): refactor tests into logical files

TestInstallRelease_WithChartAndDependencyNotes  -> tiller/release_install_test.go
TestInstallRelease_WrongTillerVersion -> tiller/release_install_test.go
TestInstallRelease_WithNotesRendered -> tiller/release_install_test.go
TestInstallRelease_TillerVersion -> tiller/release_install_test.go
TestInstallRelease_FailedHooks -> tiller/release_install_test.go
TestInstallRelease_ReuseName -> tiller/release_install_test.go
TestInstallRelease_WithNotes -> tiller/release_install_test.go
TestInstallRelease_NoHooks -> tiller/release_install_test.go
TestInstallRelease_DryRun -> tiller/release_install_test.go
TestInstallRelease -> tiller/release_install_test.go

ref(tiller): refactor tests into logical files

TestListReleasesByStatus -> tiller/release_list_test.go
TestListReleasesFilter -> tiller/release_list_test.go
TestListReleasesSort -> tiller/release_list_test.go
TestListReleases -> tiller/release_list_test.go
TestUpdateRelease_ResetReuseValues -> tiller/release_update_test.go
TestUpdateRelease_ResetValues -> tiller/release_update_test.go
TestUpdateRelease_ReuseValues -> tiller/release_update_test.go
TestUpdateReleaseNoChanges -> tiller/release_update_test.go
TestUpdateReleaseFailure -> tiller/release_update_test.go
TestUpdateReleaseNoHooks -> tiller/release_update_test.go
TestUpdateRelease -> tiller/release_update_test.go
TestRollbackReleaesFailure -> tiller/release_rollback_test.go

ref(tiller): refactor tests in logical files

Fixes https://github.com/kubernetes/helm/issues/2383

Sample `requirements.yaml` I used for test purpose was for wordpress chart

```dependencies:
- name: mariadb
  version: 0.5.10
  repository: https://kubernetes-charts.storage.googleapis.com/
  alias:
  - db1
  - db2
  - db3
```

TestRunReleaseTest -> tiller/release_testing_test.go
TestGetReleaseContent -> tiller/release_content_test.go
TestGetReleaseStatusDeleted -> tiller/release_status_test.go
TestGetReleaseStatus -> tiller/release_status_test.go
TestRollbackReleaseFailure -> tiller/release_rollback_test.go
TestRollbackReleaseNoHooks -> tiller/release_rollback_test.go
TestRollbackRelease -> tiller/release_rollback_test.go
TestUninstallReleaseWithKeepPolicy -> tiller/release_uninstall_test.go
TestUninstallPurgeDeleteRelease -> tiller/release_uninstall_test.go
TestUninstallReleaseNoHooks -> tiller/release_uninstall_test.go
TestUninstallPurgeRelease -> tiller/release_uninstall_test.go
TestUninstallRelease -> tiller/release_uninstall_test.go

Fixes https://github.com/kubernetes/helm/issues/2480

ref(tiller): refactor tiller APIs into logical files

*ReleaseServer.InstallRelease -> tiller/release_install.go
*ReleaseServer.UpdateRelease -> tiller/release_update.go

ref(tiller): refactor tiller APIs into logical files

*ReleaseServer.UninstallRelease -> tiller/release_uninstall.go
*ReleaseServer.ListReleases -> tiller/release_list.go

ref(tiller): refactor tiller APIs into logical files

*ReleaseServer.RollbackRelease -> tiller/release_rollback.go

ref(tiller): refactor tiller APIs into logical files

*ReleaseServer.GetReleaseContent -> tiller/release_content.go
*ReleaseServer.GetReleaseStatus -> tiller/release_status.go

ref(tiller): refactor release_server.go APIs into logical files.

*ReleaseServer.RunReleaseTest -> tiller/release_testing.go
*ReleaseServer.GetVersion     -> tiller/release_version.go

If git has autosetuprebase enabled pulling will fail without a
descriptive error message.

Adds a generic logging interface to importable packages.

fix(helm): fix itermittent release testing failures

fixed fromYaml | toJson