* Move gitaly, git-lfs and 2FA logic out from gitlab_shell.rb
* Streamline parsing of origin_cmd in GitlabShell
* Utilise proper HTTP status codes sent from the API
* Also support 200 OK with status of true/false (ideally get rid of this)
* Use HTTP status constants
* Use attr_reader definitions (var over @var)
* Rspec deprecation fixes

* Use constants for git commands
* private instead of protected

* Remove HTTP related requires
* Make protocol = GL_PROTOCOL the default

* Rename actor to key_id
* protected to private
* Move attr_reader defintions under private

* Base - contains all common logic
* Gitaly - performs interactions with Gitaly
* API2FARecovery - 2FA recovery code generation
* GitLFSAuthenticate - git-lfs authentication

* Fix lib matcher so it actually runs specs
* Strip out only what we need/use

Update gitaly-proto to 0.109.0

See merge request gitlab-org/gitlab-shell!216

Add script to update vendored go libs

See merge request gitlab-org/gitlab-shell!212

Refactor for re-usability for future MR's

See merge request gitlab-org/gitlab-shell!210

This was not posing an issue during CI, but was an issue locally.

Run go tests in CI with Go 1.9 and 1.10

See merge request gitlab-org/gitlab-shell!208

Resolve "NoMethodError for nil in pre-receive hook"

Closes #138

See merge request gitlab-org/gitlab-shell!206

Update LICENSE year to 2018

[ci skip]

See merge request gitlab-org/gitlab-shell!205

allow long strings to remain intact while parsing broadcast message

See merge request gitlab-org/gitlab-shell!202

Added fix for msg nil edge case. fixed comment wording

code review issues, bumped version and changelog entry

Fixed rebase issues

Moved strip out of the function

Fixes for code review comments

Removed trailing whitespaces