Fix for the Slider (tickbar)
added the control in the Demo
Fixed TickPlacement
Merge pull request #1 from spiritdead/RemakeSliders

Merged spiritdead's solution in
Updated some colors
Not forced to a minimal state anymorr
Fix for issue #649
Merge pull request #651 from daveraine/Issue649

Fix for issue #649
Updated readme.md.
Merge pull request #633 from Cornyfisch/slider-fix

Fixed Tick Placement (Default and Flat Slider)