Adding CMSoftwareDistributionComponent Module

[jeffotterpohl]

Pull Request (PR) description

Adding resource for managing and configuring SoftwareDistributionComponent. Also gives the ability to add\remove Network Access Acccounts.

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 #71 (cf31225) into master (19bed44) will increase coverage by 0%. The diff coverage is 100%.

@@          Coverage Diff           @@
##           master    #71    +/-   ##
======================================
  Coverage      97%    97%            
======================================
  Files          34     35     +1     
  Lines        3763   3897   +134     
======================================
+ Hits         3672   3806   +134     
  Misses         91     91            

[NEllis280]

Tested this resource and it behaves as expected. Will do code review tomorrow.