base_commands: p4 submit forward verbose arg

Author: Thomas Desveaux

nimp/base_commands/p4.py

@@ -167,4 +167,4 @@ def run(self, env):
         description = env.format(env.changelist_description)
         changelist = p4.get_or_create_changelist(description)
 
-        return p4.submit(changelist)
+        return p4.submit(changelist, verbose=env.verbose)