React viewport (#439)

Implementing hotkeys actions

extensions/ohif-cornerstone-extension/src/ConnectedCornerstoneViewport.js

@@ -30,7 +30,8 @@ const mapStateToProps = (state, ownProps) => {
     ...dataFromStore,
     enableStackPrefetch: isActive,
     //stack: viewportSpecificData.stack,
-    cineToolData: viewportSpecificData.cine
+    cineToolData: viewportSpecificData.cine,
+    viewport: viewportSpecificData.viewport
   };
 };