Fixed styles, ProjectHook specs etc

spec/lib/extracts_path_spec.rb

@@ -7,7 +7,7 @@ describe ExtractsPath do
   before do
     @project = project
-    project.stub(:ref_names).and_return(['master', 'foo/bar/baz', 'v1.0.0', 'v2.0.0'])
+    project.stub(repository: stub(ref_names: ['master', 'foo/bar/baz', 'v1.0.0', 'v2.0.0']))
     project.stub(path_with_namespace: 'gitlab/gitlab-ci')
   end

spec/models/project_hooks_spec.rb

@@ -71,8 +71,9 @@ describe Project, "Hooks" do
     context "when gathering commit data" do
       before do
-        @oldrev, @newrev, @ref = project.fresh_commits(2).last.sha, project.fresh_commits(2).first.sha, 'refs/heads/master'
-        @commit = project.fresh_commits(2).first
+        @oldrev, @newrev, @ref = project.repository.fresh_commits(2).last.sha,
+          project.repository.fresh_commits(2).first.sha, 'refs/heads/master'
+        @commit = project.repository.fresh_commits(2).first
         # Fill nil/empty attributes
         project.description = "This is a description"