* PHRAS-1751_GOOGLE-AUTH_master
replace lib "alchemy/google-plus-api-client" by "google/apiclient"
had to downgrade facebook/php-sdk from 4 (does not exists ?) to 3 (abandoned anyway) to allow composer update.
see PHRAS-1752
* PHRAS-1751_GOOGLE-AUTH_master
revert composer.lock, only remove & update new google-sdk (composer full update make tests boot to fail. to see later)
* PHRAS-1751_GOOGLE-AUTH_master
fix unit test