Merge branch 'runner_api_description' into 'master'

Rename hostname to description in Runner's API

Continuation of: https://gitlab.com/gitlab-org/gitlab-ci/merge_requests/28

See merge request !34

CHANGELOG

 v7.8.0
   - Fix OAuth login with GitLab installed in relative URL
   - GitLab CI has same version as GitLab since now
-  - Allow to pass hostname and tag list during Runner's registration
+  - Allow to pass description and tag list during Runner's registration
 v5.4.2
   - Fix exposure of project token via build data

lib/api/runners.rb

@@ -34,13 +34,13 @@ module API
           if params[:token] == GitlabCi::REGISTRATION_TOKEN
             # Create shared runner. Requires admin access
             Runner.create(
-              description: params[:hostname],
+              description: params[:description],
               tag_list: params[:tag_list]
             )
           elsif project = Project.find_by(token: params[:token])
             # Create a specific runner for project.
             project.runners.create(
-              description: params[:hostname],
+              description: params[:description],
               tag_list: params[:tag_list]
             )
           end

spec/requests/api/runners_spec.rb

@@ -46,7 +46,7 @@ describe API::API do
     end
     describe "should create a runner with description" do
-      before { post api("/runners/register"), token: GitlabCi::REGISTRATION_TOKEN, hostname: "server.hostname" }
+      before { post api("/runners/register"), token: GitlabCi::REGISTRATION_TOKEN, description: "server.hostname" }
       it { response.status.should == 201 }
       it { Runner.first.description.should == "server.hostname" }