Tell nose to include branches in its coverage reporting

Makefile

@@ -96,10 +96,10 @@ tests:
 	PYTHONPATH=./lib $(NOSETESTS) -d -w test/units -v # Could do: --with-coverage --cover-package=ansible
 
 newtests:
-	PYTHONPATH=./v2:./lib $(NOSETESTS) -d -w v2/test -v --with-coverage --cover-package=ansible
+	PYTHONPATH=./v2:./lib $(NOSETESTS) -d -w v2/test -v --with-coverage --cover-package=ansible --cover-branches
 
 newtests-py3:
-	PYTHONPATH=./v2:./lib $(NOSETESTS3) -d -w v2/test -v --with-coverage --cover-package=ansible
+	PYTHONPATH=./v2:./lib $(NOSETESTS3) -d -w v2/test -v --with-coverage --cover-package=ansible --cover-branches
 
 authors:
 	sh hacking/authors.sh