Merge branch 'master' into fixes/api, code clean up and tests fixed

Capfile.example

Gemfile

Gemfile.lock

README.md

app/assets/javascripts/tree.js.coffee

app/assets/stylesheets/gitlab_bootstrap/blocks.scss

app/assets/stylesheets/gitlab_bootstrap/common.scss

app/assets/stylesheets/sections/projects.scss

app/models/merge_request.rb

app/models/repository.rb

app/services/git_push_service.rb

app/views/devise/sessions/_new_ldap.html.haml

app/views/events/_event.html.haml

app/views/help/api.html.haml

app/views/help/index.html.haml

app/views/layouts/public.html.haml

app/views/projects/_form.html.haml

app/views/projects/show.html.haml

app/views/public/projects/index.html.haml

app/views/tree/_tree.html.haml