Add Home button

translations/en.json

@@ -317,6 +317,7 @@
     "News tagging rules": "News tagging rules",
     "See instructions": "See instructions",
     "Search": "Search",
+    "Home": "Home",
     "Newswire": "Newswire",
     "Links": "Links",
     "Post": "Post",

webapp_headernewstabs.py

@@ -15,6 +15,10 @@ def headerNewsTabs(boxName: str,
                    userPages: []) -> str:
     navTabList = []
 
+    navTabList.append(('home',
+        {'pageRef': '/',
+        'translateText': 'Home'}
+    ))
     navTabList.append(('tlfeatures',
         {'pageRef': '/tlfeatures',
         'translateText': 'Features'}