Added Pester unit tests and xml scheduled tasks
SYMPHONY-1790 Moved tests and added test runner script.
SYMPHONY-1790
Merge branch 'affinityid-nuget' into affinityid-wip

Conflicts:
	PowerUpCore/PowerUp/Combos/StandardBuildTasks.ps1
	PowerUpCore/PowerUp/Modules/PowerUpNuGet/PowerUpNuGet.psm1
	PowerUpCore/PowerUp/Modules/PowerUpScheduledTask/PowerUpScheduledTask.psm1
Merge branch 'affinityid-nuget' into affinityid-wip
SYMPHONY-1824 Added a few new functions to PowerUpNuGet and PowerUpUtilities.