bump dependent package versions

package.json

@@ -80,7 +80,7 @@
     "hammerjs": "^2.0.8",
     "lodash.isequal": "4.5.0",
     "moment": "^2.24.0",
-    "ohif-core": "0.5.5",
+    "ohif-core": "0.5.6",
     "ohif-dicom-html-extension": "^0.0.2",
     "ohif-dicom-pdf-extension": "^0.0.6",
     "oidc-client": "1.7.x",
@@ -92,7 +92,7 @@
     "react-resize-detector": "^3.4.0",
     "react-router": "^4.3.1",
     "react-router-dom": "^4.3.1",
-    "react-viewerbase": "0.6.1",
+    "react-viewerbase": "0.7.0",
     "react-vtkjs-viewport": "^0.0.7",
     "redux": "^4.0.1",
     "redux-oidc": "3.1.x"