Added persistent single-image measurments (length, ellipse) (LT-37, LT-156)

LesionTracker/client/components/viewerMain/viewerMain.js

@@ -46,6 +46,13 @@ Template.viewerMain.helpers({
             iconClasses: 'fa fa-arrows-v'
         });
 
+        buttonData.push({
+            id: 'ellipticalRoi',
+            title: 'Elliptical ROI Measurement',
+            classes: 'imageViewerTool',
+            iconClasses: 'fa fa-circle-o'
+        });
+
         buttonData.push({
             id: 'lesion',
             title: 'Target Tool',