CM Administrative users

[jeffotterpohl]

Pull Request (PR) description

Adding a resource to give the ability to create\remove administrative users in Configuration Manager. Add, remove, match scopes, collections, and roles assigned to the admin user.

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 

[codecov[bot]]

Codecov Report

Merging #49 into master will increase coverage by 0%. The diff coverage is 100%.

@@          Coverage Diff           @@
##           master    #49    +/-   ##
======================================
  Coverage      96%    96%            
======================================
  Files          24     25     +1     
  Lines        2286   2534   +248     
======================================
+ Hits         2198   2446   +248     
  Misses         88     88            

[NEllis280]

Tested in the lab and everything works as intended.