Added source files for PS++ integration and reworked project files to make MSBUILD work successfully
Test for command execution - might be undone
Compiles now with MSBUILD (with identical setup files)
Replaced PowerScheduler++ with PowerScheduler in all files
Reworked use of MasterVolumeHelper (now use AEDev from MP's MasterVolumeHelper.cs)
Re-added support for skin themes (got lost somewehere ...)
Continue with adding legacy options to config again
Removed plausibility check for hours
Unified code with PS++ 1.2.3.7
Changed compiler mode from Debug to Release
Updated to PowerScheduler++ version 1.2.3.7
Updated PowerSchedulerClientPlugin/PowerScheduler.cs to PS++ version 1.3.0.0
Merge branch 'master' into EXP-Replace_PS_by_PS++

Conflicts:
	mediaportal/PowerSchedulerClientPlugin/PowerScheduler.cs
Modifications from PS++ version 1.3.0.1
- add shutdown standby mode
- improve audio unmuting
Revert change from Debug to Release
Added update of old PS settings to config and runtime
Merge branch 'master' into EXP-Replace_PS_by_PS++
Consolidated changes with PS++ 1.3.0.2
- bumped copyright years
- restored Core.csproj from master
Adopt PS++ 1.4.0.0 changes to PS++ integrated
Merge branch 'master' into EXP-Replace_PS_by_PS++