Fixed styling of Graph2d lines/points

lib/DOMutil.js

@@ -150,7 +150,7 @@ exports.drawPoint = function(x, y, group, JSONcontainer, svgContainer, labelObj)
   }
 
   if(group.options.drawPoints.styles !== undefined) {
-    point.setAttributeNS(null, "style", 'vis-' + group.group.options.drawPoints.styles);
+    point.setAttributeNS(null, "style", group.group.options.drawPoints.styles);
   }
   point.setAttributeNS(null, "class", group.className + " vis-point");
   //handle label

lib/timeline/component/GraphGroup.js

@@ -138,7 +138,7 @@ GraphGroup.prototype.drawIcon = function(x, y, JSONcontainer, SVGcontainer, icon
     path = DOMutil.getSVGElement("path", JSONcontainer, SVGcontainer);
     path.setAttributeNS(null, "class", this.className);
     if(this.style !== undefined) {
-      path.setAttributeNS(null, "style", 'vis-' + this.style);
+      path.setAttributeNS(null, "style", this.style);
     }
 
     path.setAttributeNS(null, "d", "M" + x + ","+y+" L" + (x + iconWidth) + ","+y+"");

lib/timeline/component/graph2d_types/line.js

@@ -119,7 +119,7 @@ Line.prototype.draw = function (dataset, group, framework) {
       path = DOMutil.getSVGElement('path', framework.svgElements, framework.svg);
       path.setAttributeNS(null, "class", group.className);
       if(group.style !== undefined) {
-        path.setAttributeNS(null, "style", 'vis-' + group.style);
+        path.setAttributeNS(null, "style", group.style);
       }
 
       // construct path from dataset