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 remote-tracking branch 'remotes/upstream/EXP-Replace_PS_by_PS++' into 1.3.0RC_SEB_ADDONV3_TV_TEST

Conflicts:
	mediaportal/Core/Core.csproj