Refactor SearchDocument listeners.
Add new blocks to handle trackers consent.
Add long-string control in BO.
Update copyright on files generated by dev commands.
Add new HtmlFragment document and its detail block.
Misc fixes.
Add new option --delete-all on rbs_elasticsearch:client command.
Merge pull request #1057 from intportg/dev

Tracker consent, HtmlFragment, fixes en enhancements