A wrapper of http://seiyria.com/bootstrap-slider/
DOC.
//HTML <form><input wicket:id="slider"></form>
//JAVA add(new NumericBootstrapSlider<Long>("slider")).setMin(min).setMax(max).setStep(step);
DOC.
//HTML <form><input wicket:id="rangeSlider"></form>
//JAVA add(new BootstrapSlider<LongRangeValue, Long>("rangeSlider")).setMin(min).setMax(max).setStep(step);
DOC.
//HTML <form><input wicket:id="disabledSlider"></form>
//JAVA add(new BootstrapSlider<LongRangeValue, Long>("disabledSlider")).setMin(min).setMax(max).setStep(step);