- convert english translation to translate key
- remove baggy template for login (never used since user isn't logged in and it'll use the default theme: material)
- fix tests about text in response (now checking translation key instead of translated text)
- remove all ugly `<div class="hidden">{{ form_rest(form) }}</div>`
Split paragraph in translation
Inject wallabag_url for image in HTML template
Remove username & password from config_dev.yml (null are already the default value)
