Made versionadded/versionchanged annotations without a content end with ".".
Made versionadded/versionchanged annotations without a content end with ".".

Regression in d2afa5eb2308e672b6313876856e32e2561b90f3.
apollo13/django,apollo13/django,googleinterns/django,wkschwartz/django,theo-l/django,claudep/django,MarkusH/django,blighj/django,blighj/django,MarkusH/django,adamchainz/django,shaib/django,theo-l/django,manhhomienbienthuy/django,blighj/django,solarissmoke/django,auvipy/django,felixxm/django,solarissmoke/django,freakboy3742/django,rsalmaso/django,freakboy3742/django,koordinates/django,blighj/django,auvipy/django,elena/django,manhhomienbienthuy/django,MarkusH/django,ghickman/django,monetate/django,manhhomienbienthuy/django,takis/django,takis/django,elena/django,theo-l/django,shaib/django,felixxm/django,atul-bhouraskar/django,googleinterns/django,rsalmaso/django,monetate/django,koordinates/django,kaedroho/django,dsanders11/django,claudep/django,monetate/django,django/django,dsanders11/django,auvipy/django,pauloxnet/django,pauloxnet/django,wkschwartz/django,MarkusH/django,shaib/django,django/django,koordinates/django,atul-bhouraskar/django,adamchainz/django,takis/django,auvipy/django,ghickman/django,adamchainz/django,monetate/django,apollo13/django,dsanders11/django,pauloxnet/django,django/django,django/django,googleinterns/django,solarissmoke/django,freakboy3742/django,felixxm/django,solarissmoke/django,takis/django,claudep/django,elena/django,elena/django,rsalmaso/django,manhhomienbienthuy/django,apollo13/django,simonw/django,atul-bhouraskar/django,claudep/django,rsalmaso/django,wkschwartz/django,theo-l/django,simonw/django,kaedroho/django,shaib/django,kaedroho/django,simonw/django,simonw/django,koordinates/django,ghickman/django,wkschwartz/django,felixxm/django,googleinterns/django,atul-bhouraskar/django,dsanders11/django,adamchainz/django,ghickman/django,pauloxnet/django