Update changelog
Prepare version 3.8.3
Bump to version 3.8.4-alpha.0
Fix table detection
Merge pull request #972 from nlegoff/upgrade-fix

[3.9] Fix table detection
Merge pull request #973 from nlegoff/fix-tests-debian

[3.9] Fix tests using GPAC on debian system
Merge pull request #976 from nlegoff/fix-live-info

[3.9] Fix task live informations
Merge branch '3.8'

Conflicts:
	bower.json
	lib/Alchemy/Phrasea/Core/Version.php
Migrate demand table to doctrine entity && refactor registration API
Fix neutron's comment
Fix tests, CS && typo
Rename RegistrationManager to RegistrationManipulator
Adressed Neutron's comments
Refactor && Typo && Use plain objects as function parameters instead of ids