Cleanup spec/support folder and spec/spec_helper

Changes:
* Move spec/monkeypatch to spec/support
* Remove unused support/shared_examples
* Move support/api to support/api_helpers to match module name
* Move support/login to support/login_helpers to match module name
* Move API specs to requests/api (convention over configuration)
* Remove unused support/js_patch
* Simplify login_as helper
* Move DatabaseCleaner stuff to its own support file
* Remove unnecessary configuration and requires from spec_helper

spec/requests/api/issues_spec.rb

@@ -0,0 +1,71 @@
+require 'spec_helper'
+
+describe Gitlab::API do
+  let(:user) { Factory :user }
+  let!(:project) { Factory :project, owner: user }
+  let!(:issue) { Factory :issue, author: user, assignee: user, project: project }
+  before { project.add_access(user, :read) }
+
+  describe "GET /issues" do
+    it "should return authentication error" do
+      get "#{api_prefix}/issues"
+      response.status.should == 401
+    end
+
+    describe "authenticated GET /issues" do
+      it "should return an array of issues" do
+        get "#{api_prefix}/issues?private_token=#{user.private_token}"
+        response.status.should == 200
+        json_response.should be_an Array
+        json_response.first['title'].should == issue.title
+      end
+    end
+  end
+
+  describe "GET /projects/:id/issues" do
+    it "should return project issues" do
+      get "#{api_prefix}/projects/#{project.code}/issues?private_token=#{user.private_token}"
+      response.status.should == 200
+      json_response.should be_an Array
+      json_response.first['title'].should == issue.title
+    end
+  end
+
+  describe "GET /projects/:id/issues/:issue_id" do
+    it "should return a project issue by id" do
+      get "#{api_prefix}/projects/#{project.code}/issues/#{issue.id}?private_token=#{user.private_token}"
+      response.status.should == 200
+      json_response['title'].should == issue.title
+    end
+  end
+
+  describe "POST /projects/:id/issues" do
+    it "should create a new project issue" do
+      post "#{api_prefix}/projects/#{project.code}/issues?private_token=#{user.private_token}",
+        title: 'new issue', labels: 'label, label2'
+      response.status.should == 201
+      json_response['title'].should == 'new issue'
+      json_response['description'].should be_nil
+      json_response['labels'].should == ['label', 'label2']
+    end
+  end
+
+  describe "PUT /projects/:id/issues/:issue_id" do
+    it "should update a project issue" do
+      put "#{api_prefix}/projects/#{project.code}/issues/#{issue.id}?private_token=#{user.private_token}",
+        title: 'updated title', labels: 'label2', closed: 1
+      response.status.should == 200
+      json_response['title'].should == 'updated title'
+      json_response['labels'].should == ['label2']
+      json_response['closed'].should be_true
+    end
+  end
+
+  describe "DELETE /projects/:id/issues/:issue_id" do
+    it "should delete a project issue" do
+      expect {
+        delete "#{api_prefix}/projects/#{project.code}/issues/#{issue.id}?private_token=#{user.private_token}"
+      }.to change { Issue.count }.by(-1)
+    end
+  end
+end