Project Releases and Release Links API

[akashdotsrivastava]

Project Releases

  Gitlab.project_releases(project)
  Gitlab.project_release(project, tag_name)  
  Gitlab.create_project_release(project, options = {})
  Gitlab.update_project_release(project, tag_name, options = {})
  Gitlab.delete_project_release(project, tag_name)

Project Release Links

  Gitlab.project_release_links(project, tag_name)
  Gitlab.project_release_link(project, tag_name, link_id)
  Gitlab.create_project_release_link(project, tag_name, options = {})
  Gitlab.update_project_release_link(project, tag_name, link_id, options = {})
  Gitlab.delete_project_release_link(project, tag_name, link_id)

Closes #464

[NARKOZ]

LGTM except the comments. Thanks.

[NARKOZ]

👍