Merge remote-tracking branch 'origin/social_authentication' into subscription

# Conflicts:
#	.env.example
#	composer.lock
#	public/mix-manifest.json
#	resources/js/views/User/Password.vue
#	routes/api.php
#	src/App/Users/Actions/CreateNewUserAction.php
#	tests/App/Users/UserAccountTest.php

resources/js/views/Auth/SignUp.vue

@@ -62,6 +62,8 @@
                 </div>
             </ValidationObserver>
 
+            <SocialiteAuthenticationButtons/>
+
             <span class="additional-link">{{ $t('page_registration.have_an_account') }}
                 <router-link :to="{name: 'SignIn'}" class="text-theme">
                     {{ $t('page_forgotten_password.password_remember_button') }}
@@ -78,6 +80,7 @@
     import {ValidationProvider, ValidationObserver} from 'vee-validate/dist/vee-validate.full'
     import AuthContent from '/resources/js/components/Auth/AuthContent'
     import AuthButton from '/resources/js/components/Auth/AuthButton'
+    import SocialiteAuthenticationButtons from '/resources/js/components/Auth/SocialiteAuthenticationButtons'
     import {required} from 'vee-validate/dist/rules'
     import {mapGetters} from 'vuex'
     import {events} from '/resources/js/bus'
@@ -86,6 +89,7 @@
     export default {
         name: 'SignUp',
         components: {
+            SocialiteAuthenticationButtons,
             AuthContentWrapper,
             ValidationProvider,
             ValidationObserver,