Merge pull request #616 from romainneutron/dead-code

[3.9] Remove dead code
Remove debug statements
Remove use of $_GET in favor of request
Remove tests in loops
Remove unused use statements
Remove eval calls
Remove sleep calls
Merge pull request #617 from romainneutron/remove-debug

[3.9] More code cleanup
Merge pull request #618 from romainneutron/eval-remove

[3.9] Remove eval calls
Add typehint on thesaurus functions
Remove execution right on images
Merge pull request #619 from romainneutron/sleep

[3.9] Remove sleep calls
Merge pull request #591 from nlegoff/deps

[3.9] Update version stability flag for assets dependencies
Merge pull request #620 from romainneutron/thesaurus-object-typehint

[3.9] Add typehint on thesaurus functions
Implement Doctrine feeds instead of Phrasea ones in the /list/ route
Implement admin controllers
Add token entities and repositories
Add more search methods to repositories
Implementation of doctrine entities
Add token entities dcm files