Fix some naming and updating to the correct cornerstone-tools version

Packages/ohif-cornerstone/package.js

@@ -7,7 +7,7 @@ Package.describe({
 Npm.depends({
     hammerjs: '2.0.8',
     'cornerstone-core': '2.2.4',
-    'cornerstone-tools': '2.3.9',
+    'cornerstone-tools': '3.0.0-b.442',
     'cornerstone-math': '0.1.6',
     'dicom-parser': '1.8.0',
     'cornerstone-wado-image-loader': '2.1.4',