Allow projects to be imported from Google Code.

app/assets/stylesheets/base/mixins.scss

app/assets/stylesheets/pages/notes.scss

app/controllers/import/google_code_controller.rb

app/models/project.rb

app/views/import/google_code/new.html.haml

app/views/import/google_code/status.html.haml

app/views/projects/new.html.haml

app/workers/repository_import_worker.rb

config/routes.rb

db/migrate/20150327150017_add_import_data_to_project.rb

db/schema.rb

lib/gitlab/google_code_import/client.rb

lib/gitlab/google_code_import/importer.rb

lib/gitlab/google_code_import/project_creator.rb

lib/gitlab/google_code_import/repository.rb

spec/controllers/import/google_code_controller_spec.rb

spec/fixtures/GoogleCodeProjectHosting.json

spec/lib/gitlab/gitorious_import/project_creator_spec.rb

spec/lib/gitlab/google_code_import/client_spec.rb

spec/lib/gitlab/google_code_import/importer_spec.rb