- add a default thumb size value (125x90px)
- improve private vertical bar visual, especially with thumbnails
- translations
- add a sync thumbs button in tool and empty picwall page
- fixes WT download mode in JSON config
* translation system and unit tests
* Translations everywhere
Dont use translation merge
It is not available with PHP builtin gettext, so it would have lead to inconsistency.
Without this setting, composer would download dependencies depending on the PHP version installed on the system.
E.G. I was getting doctrine/instantiator 1.1, which requires at least PHP 7.1.
