Agent: Format config log messages so they are readable

[mssalvatore]

What does this PR do?

When monkey agent logs its default/new configuration, format the output so it is more easily readable.

Add any further explanations here.

PR Checklist

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• Is the TravisCI build passing?
• Was the CHANGELOG.md updated to reflect the changes?
• Was the documentation framework updated to reflect the changes?

Testing Checklist

• Added relevant unit tests?
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[codecov]

Codecov Report

Merging #1283 (f3e7976) into develop (3fb8c06) will decrease coverage by 0.00%.
The diff coverage is 16.66%.

@@             Coverage Diff             @@
##           develop    #1283      +/-   ##
===========================================
- Coverage    30.68%   30.68%   -0.01%     
===========================================
  Files          449      449              
  Lines        13466    13470       +4     
===========================================
+ Hits          4132     4133       +1     
- Misses        9334     9337       +3     

Impacted Files	Coverage Δ
monkey/infection_monkey/main.py	0.00% <0.00%> (ø)
monkey/infection_monkey/control.py	22.07% <33.33%> (+0.25%)	⬆️

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[VakarisZ]

Nice changes, but there's one more logging of config in monkey/infection_monkey/control.py:210