report docker version

Author: mr-c

jenkins.bat

@@ -2,7 +2,7 @@ set PATH=%PATH%;"C:\\Program Files\\Docker Toolbox\\"
 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
-
+docker version
 python setup.py test --addopts "--junit-xml=tests.xml --cov-report xml --cov cwltool"
 pip install codecov
 codecov