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

extensions/ohif-i18n/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/i18n",
-  "version": "0.0.2",
+  "version": "0.0.1-rc-001",
   "description": "OHIF extension for internationalization",
   "author": "OHIF",
   "license": "MIT",