Merged LesionTracker and OHIF Viewer, refactored out common components

Packages/viewerbase/components/studyBrowser/imageThumbnail/imageThumbnail.html

@@ -0,0 +1,4 @@
+<template name="imageThumbnail">
+    <div class="imageThumbnail">
+    </div>
+</template>

Packages/viewerbase/components/studyBrowser/imageThumbnail/imageThumbnail.js

@@ -0,0 +1,11 @@
+Template.imageThumbnail.onRendered(function() {
+  var instance = this.data.instances[0];
+  var element = this.find('.imageThumbnail');
+  cornerstone.enable(element);
+
+  var imageId = getImageId(instance);
+
+  cornerstone.loadAndCacheImage(imageId).then(function(image) {
+    cornerstone.displayImage(element, image);
+  });
+});

Packages/viewerbase/components/studyBrowser/imageThumbnail/imageThumbnail.styl

@@ -0,0 +1,5 @@
+.imageThumbnail
+  width: 90px
+  height: 90px
+  background-color: black
+  margin: 0 auto