Merge branch 'master' into simon/angular-universal

* master:
  Update list of supported locales
  Add one more fix to nginx.conf for i18n
  Remove unused i18n tags in frontend/src/index.html
  Update translations from Transifex
  Enable 'fr' locale for French
  Corrected some missing spaces on transactions page and a blank render bug when confirmation time is below 1 minute.
  Implement i18n support in frontend using Angular + Transifex + NGINX

# Conflicts:
#	frontend/src/app/app.constants.ts
#	frontend/sync-assets.js

frontend/package.json

@@ -22,9 +22,11 @@
   "scripts": {
     "ng": "./node_modules/@angular/cli/bin/ng",
     "tsc": "./node_modules/typescript/bin/tsc",
+    "i18n-extract-from-source": "./node_modules/@angular/cli/bin/ng xi18n --ivy --out-file ./src/locale/messages.xlf",
+    "i18n-pull-from-transifex": "tx pull -a --parallel --minimum-perc 1",
     "serve": "ng serve --proxy-config proxy.conf.json",
     "start": "npm run generate-config && npm run sync-assets-dev && ng serve --proxy-config proxy.conf.json",
-    "build": "npm run generate-config && ng build --prod && npm run sync-assets",
+    "build": "npm run generate-config && ng build --prod --localize && npm run sync-assets",
     "sync-assets": "node sync-assets.js",
     "sync-assets-dev": "node sync-assets.js dev",
     "generate-config": "node generate-config.js",