Bump version

Merge branch 'develop'

* develop:
  v1.7.1
  bugfix:create MR failed,parameter assigneeId should be assignee_id. see http://docs.gitlab.com/ce/api/merge_requests.html#create-mr
  Post-release version bump

Merge pull request moul#139 from node-gitlab/develop

develop -> master

Merge pull request moul#113 from node-gitlab/develop

v1.5.0

Merge branch 'develop'

* develop:
  v1.4.1
  Coffee rebuild
  Post-release version bump

Merge branch 'develop'

* develop: (34 commits)
  v1.4.0
  Removed sourcegraph badges
  Reverted version number change
  Added project search functionality
  Added Steve Norman to Contributors list.
  Added ability to get users keys
  Fixed loading all users and groups by getting all pages.
  Added Felix Fichte to Contributors list.
  Drop 0.8 from Travis, add 0.12.
  Containers *are* cool Travis.
  Update ProjectMilestones.coffee
  Update ProjectMilestones.coffee
  showcase new option
  add possibility to pass params to list milestones
  Added functionality to remove projects
  Use headers for PRIVATE-TOKEN
  Fix broken link for HTTP api
  Use cake and mocha under node_modules
  Added Connor Weng to Contributors list.
  Update LICENSE.md
  ...

1.2.0