Added a Clean old history command to clean older history entries by cron/task

[PauloPeres]

Description

I'm only doing 30 days of History as default, but it's a parameters that can be changed.
Creating this command/task to be able to have it on a cron to clean old Historical Entries

Related Issue

Fixing #198 Properly
Also #313

Motivation and Context

Had to create a script to clean the old history because it was causing a too large database on my project, this prevents databases to grow larger than necessary

How Has This Been Tested?

Tested with the databases of my projects and worked, also wrote the coverage tests based on the clean_duplicate_history test bed

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have run the make format command to format my code
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• I have added my name and/or github handle to AUTHORS.rst
• I have added my change to CHANGES.rst
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #675 into master will increase coverage by 0.11%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #675      +/-   ##
==========================================
+ Coverage   97.11%   97.23%   +0.11%     
==========================================
  Files          17       18       +1     
  Lines         936      976      +40     
  Branches      140      147       +7     
==========================================
+ Hits          909      949      +40     
  Misses         13       13              
  Partials       14       14              

Impacted Files	Coverage Δ
...e_history/management/commands/clean_old_history.py	100.00% <100.00%> (ø)

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[rossmechanic]

@PauloPeres thanks for submitting this feature. Just looked through with first round of comments

[rossmechanic]

Don't love inheriting from another command here. Would prefer you refactor the shared functions into a shared commands utils.py

[PauloPeres]

I'm kinda Following the same pattern made to clean_duplicate_history.py, it also inherit from populate_history.Command

[rossmechanic]

lgtm

[PauloPeres]

Thx Guys!