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
MP1-4547: Increase MySQL connection to prevent time-outs on database upgrades
MP1-4481 : Fix duplicate WMP to avoid MP crash while changing Viz.
Merge remote-tracking branch 'remotes/origin/master' into MP1-4481-REWORK-Remove_mpviz.dll_and_change_Vis_Sources
Merge remote-tracking branch 'remotes/MediaPortal-1/MP1-4547-BUG-MySQL_database_upgrade_times_out'
Merge remote-tracking branch 'remotes/MediaPortal-1/MP1-4481-REWORK-Remove_mpviz.dll_and_change_Vis_Sources'