cfy logs download shows misleading message

Description

When using `cfy logs download` the CLI shows the following message:
```
Creating logs archive in manager: /tmp/cloudify-manager-logs_20180603T102757_105.29.3.22.tar.gz
Downloading archive to: None
Removing archive from manager...
```
The message says `Downloading archive to: None` because the user did not add an output path to the command, this is misleading, as users might think there was an error.
https://github.com/cloudify-cosmo/cloudify-cli/blob/master/cloudify_cli/commands/logs.py#L66

Message should be 'Downloading archive to: output_path' or 'Downloading archive to: <current working directory>'

Steps to Reproduce

Environment:
OS (CLI), HA cluster, cloud provider
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Steps to reproduce:
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Expected result:
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Actual result:
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Why Propose Close?

None
Done

Assignee

Ohad Baruch

Reporter

Jonathan Abramsohn

Severity

Medium

Target Version

4.5

Premium Only

no

Found In Version

4.3

QA Owner

None

Bug Type

legacy bug

Customer Encountered

Yes

Customer Name

c478

Release Notes

no

Priority

None

Sprint

None

Priority

Unprioritized
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