Merge branch 'isImage'

* isImage:
  Check study instances whether they have image data based on sopClassUid or rows (JPEG and PNG images do not have sopClassUid)
  Check study instances whether they have image data based on sopClassUid instead of rows

Packages/viewerbase/package.js

@@ -131,6 +131,8 @@ Package.onUse(function(api) {
     api.addFiles('lib/validators.js', 'client');
     api.addFiles('lib/instanceClassSpecificViewport.js', 'client');
     api.addFiles('lib/setMammogramViewportAlignment.js', 'client');
+    api.addFiles('lib/isImage.js', 'client');
+    api.addFiles('lib/sopClassDictionary.js', 'client');
 
     api.export('resizeViewportElements', 'client');
     api.export('handleResize', 'client');
@@ -154,6 +156,8 @@ Package.onUse(function(api) {
     api.export('getInstanceClassDefaultViewport', 'client');
     api.export('showConfirmDialog', 'client');
     api.export('applyWLPreset', 'client');
+    api.export('isImage', 'client');
+    api.export('sopClassDictionary', 'client');
 
     // Export the ValidateJS Library with our added validators
     //api.export('validate', 'client');