Merge branch 'master' of https://github.com/OHIF/Viewers into feature/i18n-basics

# Conflicts:
#	extensions/ohif-vtk-extension/package.json
#	extensions/ohif-vtk-extension/rollup.config.js
#	extensions/ohif-vtk-extension/yarn.lock
#	package.json
#	src/App.js
#	src/components/Header/Header.js
#	yarn.lock

package.json

@@ -96,7 +96,7 @@
     "react-resize-detector": "^3.4.0",
     "react-router": "^4.3.1",
     "react-router-dom": "^4.3.1",
-    "react-viewerbase": "0.7.0",
+    "react-viewerbase": "file:.yalc/react-viewerbase",
     "react-vtkjs-viewport": "^0.0.7",
     "redux": "^4.0.1",
     "redux-oidc": "3.1.x"