-Add option for playback rate (speed)
-Add hotkeys for changing playback rate ( , and . )
-Add labeled number input widget
-Inherit labeled widget types from base class
-Add option for onchange to above base class
-Clamp numbers when setting numeric values on videos
-Add some helper functions to video elements
-Remove bPropagateOnChange, roll functionality into forEachElement delegate
-Add widgetType parameter to inform the widget type to be created
-Removed unnecessary and incorrect comments
JaredTherriault
b1a44cf0cc