Bump version in OHIF-cornerstone package of cornerstone node modules (#187)

Packages/ohif-cornerstone/package.js

@@ -6,11 +6,11 @@ Package.describe({
 
 Npm.depends({
     hammerjs: '2.0.8',
-    'cornerstone-core': '2.1.0',
-    'cornerstone-tools': '2.2.0',
+    'cornerstone-core': '2.2.4',
+    'cornerstone-tools': '2.3.3',
     'cornerstone-math': '0.1.6',
-    'dicom-parser': '1.7.6',
-    'cornerstone-wado-image-loader': '2.0.0'
+    'dicom-parser': '1.8.0',
+    'cornerstone-wado-image-loader': '2.1.1'
 });
 
 Package.onUse(function(api) {