Fix phpunit test suite
Merge pull request #875 from nlegoff/fix-master

[3.9] Fix phpunit test suite
Merge pull request #864 from romainneutron/record-substituer

[3.9] Add subdef substituer
Merge branch '3.8'

Conflicts:
	composer.lock
	lib/Alchemy/Phrasea/Core/Version.php
Fix merge 3.8
Merge pull request #879 from nlegoff/fix-master

[3.9] Fix merge 3.8
Fix #1667 Admin tree is not reloaded when empty action is triggered
Merge branch '3.8'

Conflicts:
	templates/web/common/drop_down_options.html.twig
Merge branch '3.8'
Remove dependency on gettext extension
Merge branch '3.8'
Merge pull request #882 from nlegoff/fix-1667

[3.8] Fix #1667 Admin tree is not reloaded when empty action is triggered
Fix migration to version 3.8
Fix #1650 insufficient line-height in email template
Merge pull request #889 from romainneutron/fix-upgrade

[3.8] Fix migration to version 3.8
Fix #1672 Fix uninitialized variable in XsendFileMapiingGenerator
Merge pull request #890 from romainneutron/task-manager-messages

[3.8] Fix task manager messages log levels
Fix #1675 Display issue in registration template
Merge pull request #893 from nlegoff/fix-1672

[3.8] Fix #1672 Fix uninitialized variable in XsendFileMapiingGenerator
Merge pull request #891 from nlegoff/fix-1650

[3.8] Fix #1650 insufficient line-height in email template