add release checklist

* first staging

* Filled out RBAC and TLS

* Finished draft.

* smoothing

* gRPC endpoint tooling moved up and cleaned

* updating install.md

* addressed comments; will continue expanding and iterating

fix TLS default path

Without this change, running `helm list --tls` without setting $HELM_HOME causes helm to look for TLS certificates under /.

fix(sprig): Update to v2.14.1 that fixes an issue

There was an issue with functions not being able to pass to each
other. For example, the output of regex not being able to be
passed to first or last due to type issues. This update fixes
those problems

check if resource is present before adding it to remaining or keep on deletion

Fix tiller idle connections 

Possibly fixes #3121. This forces idle connections to drop after 10 minutes

Improvements to FakeClient: support all CRUD operations

fix links to service_accounts.md

correct typo

fixed bad link.

add --app-version flag to 'helm package'

When 'helm package --app-version foo' is run, this will
set the AppVersion field to 'foo' in the packaged chart.
Signed-off-by: Arash Deshmeh <adeshmeh@ca.ibm.com>

Fix a typo in install.go, update helm_install.md

fix(helm): resolve relative chart paths

ref(helm): improve fullname template in starter chart

Walk symbolic link directories

Continue walking symlinks to be able to use them
for sub-charts. Useful when not specifying requirements
but still want to share charts locally.

Closes #1186

more expansive RBAC setup docs

Add plugin installer from http archive

Closes #3115

When the first rule matching entry for top level dir
will be empty string, the .* rule will match.
Skip this entry as it's not needed for processing.