* Add suport for PHP7.3
* Force to use composer version 1.10.17
* Set Elastic as default
* Add language setting
* Disable GoogleSpell as default
* Fix carddav plugin setup
Co-authored-by: Sebastien Mennetrier <sebmennetrier@gmail.com>
Co-authored-by: tituspijean <tituspijean@outlook.com>
Co-authored-by: Kayou <pierre@kayou.io>
