OHIF-149 The viewer shall allow the root URL to be changed - WIP

- Use absoluteUrl for hard-coded paths in html and js

Packages/ohif-hanging-protocols/client/components/previousPresentationGroupButton/previousPresentationGroupButton.html

@@ -6,7 +6,7 @@
         <div class="svgContainer">
         {{ #if this.svgLink }}
         <svg>
-            <use xlink:href={{this.svgLink}}></use>
+            <use xlink:href={{absoluteUrl this.svgLink}}></use>
         </svg>
         {{ else }}
             <i class={{iconClasses}}></i>