Finished slider for testint items with percentage items. Many refactors

and fixes.

Fixes #43
Fixes #46
Fixes #47
Fixes #48

src/main/resources/public/views/configuration.html

@@ -93,6 +93,10 @@
 	<script type="text/ng-template" id="valueDialog">
 		<div class="ngdialog-message">
 			<h2>Select value</h2>
+				<p>
+					    <input type="radio" ng-model="valueType" value="percentage" ng-change="changeScale()"> Percentage
+					    <input type="radio" ng-model="valueType" value="raw" ng-change="changeScale()"> Raw
+				</p>
 				<p>
 					<rzslider rz-slider-model="slider.value" rz-slider-options="slider.options"></rzslider>
 				</p>