Adjusted the sliders in the simple item menu into using the newer slider. Modified the slider so that the slider graphics is centered vertically.
Adjusted the tooltip in the simple item menu.
Merge remote-tracking branch 'origin/master'

Conflicts:
	.idea/workspace.xml
	GHM/Objects/GHM_Slider.lua
	GHM/Objects/GHM_Slider.xml
Minor adjustment in the simple item menu.