Fix #1562 MigrationError
Merge pull request #794 from nlegoff/fix1562

Fix #1562 Migration Error
Add UrlGenerator trait
Remove obsolete namespaces
Merge pull request #804 from romainneutron/url-generator-trait

[3.9] Add UrlGenerator trait
Merge pull request #803 from nlegoff/update_namespace

[3.9] Remove obsolete namespaces in composer.json
Remove DoctrineFixtures mechanism
Update cpsr.lock
Fix tests
Merge pull request #802 from nlegoff/remove_fixtures

[3.9] Remove doctrine fixtures dependency
Add DisplaySetting service
Update User entity
Merge pull request #807 from nlegoff/usersettingservice

[3.9] Add settings service
Merge branch '3.8'

Conflicts:
	bower.json
	templates/web/common/index_bootstrap.html.twig
	templates/web/common/menubar.html.twig
	templates/web/login/layout/base-layout.html.twig
	templates/web/prod/Baskets/Reorder.html.twig
Add configuration form types
Move main "languages" and "servername" to top level, "task-manager" and "binaries" to main configuration
Remove phraseanet registry