Merge pull request #1111 from noesya/update-theme

app/assets/stylesheets/admin/commons/filters.sass

app/controllers/server/websites_controller.rb

app/models/communication/website/with_git_repository.rb

app/services/git/providers/abstract.rb

app/services/git/providers/github.rb

app/services/git/repository.rb

app/views/server/websites/_list.html.erb

app/views/server/websites/refresh.js.erb

app/views/server/websites/sync_theme_version.js.erb

app/views/server/websites/update_theme.js.erb

config/application.sample.yml

config/locales/en.yml

config/locales/fr.yml

config/routes/server.rb

db/schema.rb

test/controllers/server/websites_controller_test.rb