* Add an implementation of ListBoards

* remove reference to go-gitlab

* Add API for a single Board and a single Board List

* Add `id` `subscribed` and `priority` properties to Label struct

* remove useless override of `c.Issues` add in a wrong rebase

* Add all Available API on Boards for GitLab

* Fix golint warning about exported methods

* Fix typo (+1 squashed commits)

Squashed commits:

[89721e6] typo fix

* golint warns for fields named ...Id and suggests renaming to ...ID same for API

* Move events to event_type file

* Add user contribution events API

* impl DisableProjectRunner

* impl ListRunnersJobs

* impl RemoveARunner

* impl UpdateRunnersDetails

* requested changes

* renamed ListRunnersJobs to ListRunnerJobs

* Added function to get all users from a specific project

* Added function to get all users from a specific project - Pull Request changes

* Added function to get all users from a specific project

* added endpoint for retrieving subgroups for a group

* gofmt

* moved subgroup into the groups object

* removed concept of subgroup and using group instead

Not all methods are implemented, only the ones which I needed and verified.

* Snippet: add Explore API call

See https://docs.gitlab.com/ce/api/snippets.html#explore-all-public-snippets

* Snippet: add missing raw_url property

* Some renames for consistency

* updated Settings and UpdateSettingsOptions

* Add release_description to tag

* Add Create/Update/Get Jenkins Service

* add support for paginate options in list tag

this may change in the future with: https://gitlab.com/gitlab-org/gitlab-ee/issues/2004

Ref: https://docs.gitlab.com/ce/api/merge_requests.html

I tweaked it just a little to make it fit in a bit better with the rest of the code and fix a few lint warnings.

Thanks again for your PR @zaquestion!

* Add missing fields to `Namespace` struct

* Add support for namespaces: get

* Add support for `start_branch` in `CreateCommitOptions`

* BREAKING: add support for `from` in `GetUserActivities`

* Add missing fields to `Namespace` struct

* Add support for namespaces: get

* Add support for `start_branch` in `CreateCommitOptions`

* Add missing fields to `Namespace` struct

* Add support for namespaces: get