feat(*): allow tiller to be installed in an alternate namespace

Adds `--tiller-namespace` flag and `TILLER_NAMESPACE` envvar
to use tiller in an alternate namespace.

closes #1418

fix(helm): added support for compressed charts containing \ in file paths

If not mercurial, clone with git. dont exit if no mercurial is there

fix(helm): suprress info message for 'helm inspect'

feat(helm) add command to generate bash autocompletions.

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

Closes #1574

docs(install_faq): add entries about SSL and proxy

feat(readme): Display the Go Report Card

Had a word with @technosophos and it seems we no longer need hg check as all other repos can be cloned via git

Closes #1630

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