ESLint fixes and cleanup

OHIFViewer-react/package.json

@@ -7,7 +7,7 @@
   "dependencies": {
     "cornerstone-core": "2.2.8",
     "cornerstone-math": "0.1.7",
-    "cornerstone-tools": "3.0.0-b.1471",
+    "cornerstone-tools": "3.0.0-b.1512",
     "cornerstone-wado-image-loader": "2.2.3",
     "dicom-parser": "1.8.3",
     "hammerjs": "^2.0.8",
@@ -24,7 +24,7 @@
     "react-router": "^4.3.1",
     "react-router-dom": "^4.3.1",
     "react-scripts": "^2.1.1",
-    "react-viewerbase": "^0.1.9",
+    "react-viewerbase": "^0.1.10",
     "redux": "^4.0.1",
     "redux-oidc": "^3.1.0"
   },