wip: bundler: use pry-byebug
wip: mount /v0 to debug
wip: repositories_controller: reimplement to use GitHub API
wip: repository_helper: replace into module for testing
wip: helpers: add UrlHelper
wip: repository: reimplement to use snippet.json
wip: fakefs_helper: disuse fakefs
wip: repository_ref: use VersionHelpers
wip: webapi_base: load modules
wip: rubygems: remove social_snippet from deps