measure code coverage on windows

Author: mr-c

jenkins.bat

@@ -3,4 +3,6 @@ docker-machine start default
 REM Set the environment variables to use docker-machine and docker commands
 FOR /f "tokens=*" %%i IN ('docker-machine env --shell cmd default') DO %%i
 
-python setup.py test --addopts --junit-xml=tests.xml
+python setup.py test --addopts "--junit-xml=tests.xml --cov-report xml --cov cwltool"
+pip install codecov
+codecov