Tries to clearify redirecting article
Update references to current branch

E.g. changed "2.2" to "2.3" and so on
Update overview.rst
use handleRequest() instead of bind()
Add gender-neutrality to documentation standards

Modeled after changes made to the Django project:
https://github.com/django/django/commit/c0a2daad78c66def2ce6592977b78dab6475dd53
fixed setfacl invocation
Merge pull request #3143 from garak/patch-29

Update references to current branch
Merge branch '2.2' into 2.3
Removing unused reference
[Cookbook][Form - direct submit] Fixed broken links to API
Merge pull request #3284 from franmomu/patch-1

[Cookbook][Form - direct submit] Fixed broken links to API
[Book][Validation] validate method in Validator returns ContraintViolationList object not an array
applies WouterJ suggestion
Merge pull request #3313 from zczapran/2.2

[Book][Validation] validate method in Validator returns ConstraintViolationList not an array
Merge pull request #3283 from 1ed/acl

fixed setfacl invocation
Merge branch 'issue-2969' of github.com:xabbuh/symfony-docs into xabbuh-issue-2969
Merge branch 'clearify_redirectcontroller' of github.com:WouterJ/symfony-docs into WouterJ-clearify_redirectcontroller
[#2969][#2974] Small tweaks to handleRequest in Form component

Added some additional details about what's going on behind the scenes
[#3071] Minor tweaks to a nice facelift for this entry
Merge branch 'WouterJ-clearify_redirectcontroller' into 2.2