Add CLI test for activation-key copy

Adresses #1704

Test results
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@Test: Copy Activation key for all valid Activation Key name ... ok
@Test: Copy Activation key for all valid Activation Key name ... ok
@Test: Copy Activation key for all valid Activation Key name ... ok
@Test: Copy Activation key for all valid Activation Key name ... ok
@Test: Copy Activation key for all valid Activation Key name ... ok
@Test: Copy Activation key for all valid Activation Key name ... ok

Proposed
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Add cProfile-related items to .gitignore
All on one line, please?

    key = make_activation_key({u'organization-id': org['id']}, cached=True)

Bonus points for refactoring out the `org` dict:

    org_id = make_org(cached=True)['id']