Merge branch 'refactor/gitlab_git'

app/contexts/commit_load_context.rb

app/controllers/blame_controller.rb

app/controllers/commits_controller.rb

app/controllers/compare_controller.rb

app/controllers/merge_requests_controller.rb

app/controllers/refs_controller.rb

app/decorators/commit_decorator.rb

app/decorators/tree_decorator.rb

app/helpers/application_helper.rb

app/helpers/commits_helper.rb

app/helpers/tree_helper.rb

app/mailers/emails/notes.rb

app/models/commit.rb

app/models/gollum_wiki.rb

app/models/merge_request.rb

app/models/network/commit.rb

app/models/project.rb

app/models/repository.rb

app/models/tree.rb

app/models/wiki_page.rb