This fixes a TOML panic by replacing one parser library with another.
The older library did not gracefully handle reflection issues, and so
was prone to panic. The new one is not great, but it doesn't seem to
panic.

Closes #2271

fix(helm): fix style errors in pkg/environment

docs(chart_hooks): clarify hook execution order

fix(helm): return error when dependencies are missing

chore(*): cleanup unused travis and scripts

feat(*): update to latest gRPC and Protobuf

Add Git and Mercurial to build prerequisites

This just adds a few comments where the style linter was complaining.

Closes: #2343

Closes #2234

This upgrades a warning to an error in cases where `requirements.yaml`
contains a requirement, but it's missing in charts/

This impacts install, upgrade, and package.

Closes #2209

fix(tiller): update tls client auth policy

Effectively, this switches us to gRPC's internal version 4. This is
compatible with protoc 3.2 and grpc-go 1.2.1.

Update Slack channels

Improve get script

Added reference to plugins

ref(helm): use new debug method to standardize debug output

RequireAndVerifyClientCert => VerifyClientCertIfGiven

Closes #2310

chore(*): bump kubernetes to v1.6.2

chore(README.md): update zoom meeting link

ref(*): Regenerates protobuf files with protoc 3.2.0

Protoc was updated a little while ago and we are likely to get more
people using it. This should avoid weird merge conflicts and bump us
to the latest version

feat(tiller): add --net-host flag to 'helm init'

test(*): add tests for new tls support

Fix indent for defaultDeployment

Search constraint and Install/Upgrade default constraint

Validates chart-dir before running dependency list command