Write report to stdout even with --html-report
Write report to stdout even with --html-report

This way I can see the output in Jenkins console even when generating
HTML and I don't need to run diff-cover twice.

ezequielo/diff-cover,benpatterson/diff-cover,edx/diff-cover,benpatterson/diff-cover,Bachmann1234/diff-cover,mblayman/diff-cover,hugovk/diff-cover,ezequielo/diff-cover,Bachmann1234/diff-cover,mblayman/diff-cover