MP1-4481-Improvement Viz Engine changed

Signed-off-by: hwahrmann <hwahrmann@team-mediaportal.com>
MP1-4481-Improvement Remove unused using

Signed-off-by: hwahrmann <hwahrmann@team-mediaportal.com>
Merge remote-tracking branch 'remotes/origin/master' into MP1-4481-REWORK-Remove_mpviz.dll_and_change_Vis_Sources

Conflicts:
	mediaportal/Core/MusicPlayer/Visualization/SoundSpectrumViz.cs
	mediaportal/Core/MusicPlayer/Visualization/WMPViz.cs
TVLibrary typo fix. (by doskabouter)
Merge remote-tracking branch 'remotes/upstream/MP1-4481-REWORK-Remove_mpviz.dll_and_change_Vis_Sources' into 1.7.0Fork-BDJ

Conflicts:
	mediaportal/Core/MusicPlayer/Visualization/WMPViz.cs
Merge remote-tracking branch 'remotes/upstream/master' into 1.7.0Fork-BDJ