Update composer.json
Merge branch 'master' into 2.2

* master:
  fix urlchooser widget / fix slug router
  placed the parameter in services.yml
  changed comments
  changed save_threshold to version_timeout and added comments
  fix slug router - preview was broken
  save threshold when saving page
  save threshold when saving page
  fix test actionmenubuilder
  Update docs for bundles site
Merge branch 'master' into 2.2
Merge branch 'master' into 2.2
composer fix
Don't offer to copy the current nodetranslation if impossible
Merge pull request #41 from Kunstmaan/fix/issue40

Fix/issue40