Description of problem:
pulp-admin and pulp-consumer log to files by default. This can cause concurrency issues if users run more than one command at a time. It's also inconvenient when there is an error, as the CLI tells the user "there was a problem, see the log" instead of just showing the user the error.

Most CLI programs offer -v and -vv flags. I propose that we do the same. The -v flag would cause all things that go to admin.log to go to the console. The -vv flag would do the same and also add in the server_calls.log. If the user wants these to go to files, they can use standard Unix shell redirection to accomplish that.

One exception is Exceptions ☺ We should print unexpected exceptions to the screen even in normal mode.

Version-Release number of selected component (if applicable):
2.4.0-1

How reproducible:
Every time.

Steps to Reproduce:
1. Do pulp-admin and pulp-consumer log to files?
2. Can you adjust the console verbosity?

Actual results:
No and no.

Expected results:
Yes and yes.