SiteSystems to CMBoundaryGroups

[jeffotterpohl]

Pull Request (PR) description

Added the capability to match\add\remove Site Systems to Boundary Groups. Updated Unit tests and all associated files.

This Pull Request (PR) fixes the following issues

Task list

• [X] Added an entry to the change log under the Unreleased section of the file CHANGELOG.md. Entry should say what was changed and how that affects users (if applicable), and reference the issue being resolved (if applicable).
• [X] Resource documentation added/updated in README.md.
• [X] Resource parameter descriptions added/updated in README.md, schema.mof and comment-based help.
• [X] Comment-based help added/updated.
• [X] Localization strings added/updated in all localization files as appropriate.
• [X] Examples appropriately added/updated.
• [X] Unit tests added/updated. See DSC Community Testing Guidelines.
• [ ] Integration tests added/updated (where possible). See DSC Community Testing Guidelines.
• [X] New/changed code adheres to DSC Community Style Guidelines.

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This change is 

[jeffotterpohl]

Thought about adding Security Scopes to this resource before merging.

[codecov[bot]]

Codecov Report

Merging #53 into master will increase coverage by 0%. The diff coverage is 100%.

@@          Coverage Diff           @@
##           master    #53    +/-   ##
======================================
  Coverage      97%    97%            
======================================
  Files          29     29            
  Lines        2958   3058   +100     
======================================
+ Hits         2870   2970   +100     
  Misses         88     88