Added a test for password_changed() with a custom validator.
Added a test for password_changed() with a custom validator.

solarissmoke/django,EmadMokhtar/Django,koordinates/django,solarissmoke/django,felixxm/django,charettes/django,takis/django,pauloxnet/django,MarkusH/django,claudep/django,pauloxnet/django,timgraham/django,adamchainz/django,EmadMokhtar/Django,pauloxnet/django,dsanders11/django,koordinates/django,apollo13/django,fenginx/django,dsanders11/django,charettes/django,auvipy/django,timgraham/django,MarkusH/django,solarissmoke/django,claudep/django,elena/django,wkschwartz/django,schinckel/django,monetate/django,wkschwartz/django,simonw/django,blighj/django,pauloxnet/django,frankvdp/django,apollo13/django,charettes/django,georgemarshall/django,auvipy/django,apollo13/django,kaedroho/django,googleinterns/django,takis/django,rsalmaso/django,dsanders11/django,monetate/django,atul-bhouraskar/django,fenginx/django,shaib/django,adamchainz/django,ghickman/django,schinckel/django,claudep/django,georgemarshall/django,shaib/django,manhhomienbienthuy/django,georgemarshall/django,auvipy/django,manhhomienbienthuy/django,schinckel/django,django/django,shaib/django,ghickman/django,charettes/django,ghickman/django,freakboy3742/django,elena/django,simonw/django,frankvdp/django,blighj/django,googleinterns/django,rsalmaso/django,simonw/django,schinckel/django,koordinates/django,theo-l/django,blighj/django,monetate/django,rsalmaso/django,theo-l/django,georgemarshall/django,atul-bhouraskar/django,elena/django,googleinterns/django,felixxm/django,googleinterns/django,kaedroho/django,blighj/django,auvipy/django,monetate/django,frankvdp/django,fenginx/django,timgraham/django,fenginx/django,atul-bhouraskar/django,EmadMokhtar/Django,felixxm/django,MarkusH/django,wkschwartz/django,apollo13/django,shaib/django,claudep/django,manhhomienbienthuy/django,freakboy3742/django,kaedroho/django,theo-l/django,MarkusH/django,django/django,adamchainz/django,simonw/django,freakboy3742/django,elena/django,dsanders11/django,django/django,felixxm/django,rsalmaso/django,wkschwartz/django,ghickman/django,takis/django,adamchainz/django,manhhomienbienthuy/django,theo-l/django,takis/django,koordinates/django,frankvdp/django,atul-bhouraskar/django,django/django,solarissmoke/django,timgraham/django