Using the updated cornerstone version

Packages/ohif-cornerstone/package.js

@@ -7,8 +7,8 @@ Package.describe({
 Npm.depends({
     hammerjs: '2.0.8',
     'jquery-hammerjs': '2.0.0',
-    'cornerstone-core': '1.0.1',
-    'cornerstone-tools': '1.0.1',
+    'cornerstone-core': '1.1.2',
+    'cornerstone-tools': '1.0.3',
     'cornerstone-math': '0.1.6',
     'dicom-parser': '1.7.6',
     'cornerstone-wado-image-loader': '1.0.1'