Enable --debug flag to print debugging information when use
helm dep update --debug

closes #2020

fix(kube): fix wait and recreate

ref(*): remove error if no tests found on test cmd

fixes #2006

Add --url option to helm serve

fix(helm): resolve symlinks when loading chart

Possible fix for #1639

Mention saltside/await in misc related projects

feat(helm): allow disabling plugins

chore(*): bump kubernetes v1.5.3

* resolves #1973

This adds an environment variable, HELM_NO_PLUGINS, that can disable
the plugin system from loading plugins. It provides a general way for
turning the plugin system off.

Closes #1624

This PR is to add --url flag for helm serve, so that
urls in index.yaml will be changed to the corresponding value.

Add ToJson and FromJson template functions

fix(local-cluster): fix missing variable option

set $HOME in tiller container to /tmp

docs(chart_repository): fix bug in code example

docs(named_templates): fixed broken template

Adds "Workflow Umbrella Chart" article to related.md

`unbound variable` error occurs when docker-machine is not used.

Closes #1967

docs(index): Move doc index into a separate file.

docs(related): add CI/CD docs

fix(helm): fix broken cache paths in repositories

This removes the full TOC from the README and puts it in an index. This
will help when we begin to autogenerate a website based on
documentation.

Closes #1564

A regression was committed during 2.2.0 that broke the repositories.yaml
file format, switching the cache path from relative to absolute. This
fixes the error.

Closes #1974

fix(style): add missing comments

feat(*): add support for test-failure hook

fix(kube): prevent recreating pods without a selector