Merge pull request #1619 from khamaileon/master

Replace ChoiceField type_label
Fixed #1624 (thanks @abraithwaite)
Fix #1614 - Corrected reference to serializers.CharField
Merge pull request #1632 from fletchowns/master

Fix #1614 - Corrected reference to serializers.CharField
Version 2.3.14
Fix accidental docs change
Merge pull request #1640 from tomchristie/escape-login-logout-paths

Version 2.3.14
Fix #1643 issue: empty values in reverse nested OneToMany are not validated by the serializer