Convert all resources to HQRM

[PlagueHO]

Each module needs to be converted to HQRM standards:

• MSFT_xComputer
• MSFT_xOfflineDomainJoin
• MSFT_xPowerPlan
• MSFT_xScheduledTask
• MSFT_xVirtualMemory

[PlagueHO]

I'll close this one once the Pester tests are at V4 (issue #106).

[PlagueHO]

This has been completed now.