Closes #1744

It is unnecessary to create a namespace just to test that it exists.
Roles that don't have post namespace will error out even if the namespace exists
and it is possible to install the package anyway. This patch Gets a namespace and
only creates one if it doesn't exist.

The upper limit for a chart name is 63 characters now instead of
14 or 24 in older versions of Kubernetes. This replaces `trunc 24`
in the example chart provided to `trunc 63` to reflect the new
length available.

Closes #1637

The upper limit for a chart name is 54 characters now instead of
14 or 24 in older versions of Kubernetes. This replaces `trunc 24`
in the example chart provided to `trunc 54` to reflect the new
length available.

Closes #1637

This reverts a previous decision to only do shallow merges of globals.
It allows globals to be nested maps.

resolves #1463

There was an informational message being printed that is unnecessary,
but prevented shell scripting the results of inspect calls.

Closes #1574

fix(semver): Ranges can fail with some pre-release numbering

fix(glide): add assert library

fix(*): add support for "DELETING" status

There was a hyphen range bug in semver that prevented constraints
in the form of v2.3.5-20161202202307-sha.e8fc5e5. This would be
parsed incorrectly as a hyphen range and then fail. The bug in
semver was fixed in semver v1.2.2 for this issue.

feat(helm): add support for multiple values files

feat(helm): Add Files.AsSecrets, Files.AsConfig, path functions

Closes #1511

Set Helm deployment to pull IfNotPresent

feat(helm): add newline to fetch --verify output

feat(*): migrate to kubernetes 1.5

feat(ci): add travis configuration

Helm uses fixed tags (e.g. `v2.0.2`) so there should be no need to pull a new image every time.