Get-AzureRmEffective cmdlets help description+examples update

[anavinahar]

This checklist is used to make sure that common issues in a pull request are covered by the creator. You can find a more complete discussion of PowerShell cmdlet best practices here.

Below in Overall Changes, check off the boxes that apply to your PR. Within each of the categories that you select, make sure that you can check off all of the boxes.

Overall Changes

• MANDATORY - General changes
• MANDATORY - Add/remove/edit test(s)

General

• Title of the PR is clear and informative
• There are a small number of commits that each have an informative message
• If it applies, references the bug/issue that the PR fixes
• All files have the Microsoft copyright header
• Cmdlets refer to management libraries through nuget references - no dlls are checked in
• The PR does not introduce breaking changes (unless a major version change occurs in the assembly and module)

[cormacpayne]

On-demand: http://azuresdkci.cloudapp.net/view/1-AzurePowerShell/job/powershell-demand/1117/