run: Add --console-level option, fix issue #179

With this we implement (admittedly very very late)
the functionality asked in issue #179. This introduces
a new --console-level option, that will allow people
using --verbose to adjust the level of the messages
printed to the console.

CC: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com>
Merge pull request #1231 from autotest/fix-179

run: Add --console-level option, fix issue #179