- Potentially fix this.maxH.rzsl returning NaN

Add a boolean-option so the limit-numbers can be displayed or not. Default value should be that they are displayed

add css as part of the bower main

Merge branch 'class-prefixes' of https://github.com/ropsu/angularjs-slider into ropsu-class-prefixes

Updated slider and demo

Updated less file to be parametric, updated slider stiles and improved
the demo page.

Before the class names were too generic and therefore potentially
causing class name collisions.

Fixed the label not being centered when loaded hidden until after
clicking the slider.