New: PowerShell Script Module and improved Hardware Monitor

New: PowerShell Script Module
- Create and manage PowerShell Scripts in library
- Manual and automatic execution when system starts or per schedule
- Assign a script to several computers
- Evaluation of return values
- Create notifications
Hardware Monitor with Flapping Status
- Sensors can still only change status up to 10 times, after which they are specifically flagged
- Sensors can be deactivated
Small bug fixes