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/angular.json

@@ -13,6 +13,70 @@
       "root": "",
       "sourceRoot": "src",
       "prefix": "app",
+      "i18n": {
+        "sourceLocale": {
+          "code":"en-US",
+          "baseHref":"/"
+        },
+        "locales": {
+          "cs": {
+            "translation": "src/locale/messages.cs.xlf",
+            "baseHref": "/cs/"
+          },
+          "de": {
+            "translation": "src/locale/messages.de.xlf",
+            "baseHref": "/de/"
+          },
+          "es": {
+            "translation": "src/locale/messages.es.xlf",
+            "baseHref": "/es/"
+          },
+          "fa": {
+            "translation": "src/locale/messages.fa.xlf",
+            "baseHref": "/fa/"
+          },
+          "fr": {
+            "translation": "src/locale/messages.fr.xlf",
+            "baseHref": "/fr/"
+          },
+          "ja": {
+            "translation": "src/locale/messages.ja.xlf",
+            "baseHref": "/ja/"
+          },
+          "nl": {
+            "translation": "src/locale/messages.nl.xlf",
+            "baseHref": "/nl/"
+          },
+          "nn": {
+            "translation": "src/locale/messages.nn.xlf",
+            "baseHref": "/nn/"
+          },
+          "pt": {
+            "translation": "src/locale/messages.pt.xlf",
+            "baseHref": "/pt/"
+          },
+          "sl": {
+            "translation": "src/locale/messages.sl.xlf",
+            "baseHref": "/sl/"
+          },
+          "sv": {
+            "translation": "src/locale/messages.sv.xlf",
+            "baseHref": "/sv/"
+          },
+          "tr": {
+            "translation": "src/locale/messages.tr.xlf",
+            "baseHref": "/tr/"
+          },
+          "uk": {
+            "translation": "src/locale/messages.uk.xlf",
+            "baseHref": "/uk/"
+          },
+          "zh": {
+            "translation": "src/locale/messages.zh.xlf",
+            "baseHref": "/zh/"
+          }
+        }
+      },
       "architect": {
         "build": {
           "builder": "@angular-devkit/build-angular:browser",
@@ -176,4 +240,4 @@
       }
     }},
   "defaultProject": "mempool"
-}
+}