Add Zulip version number to page_params.

version.py

@@ -0,0 +1 @@
+ZULIP_VERSION = "1.4.1+git"

zerver/tests/tests.py

@@ -1957,6 +1957,7 @@ class HomeTest(ZulipTestCase):
             "unread_count",
             "unsubbed_info",
             "user_id",
+            "zulip_version",
         ]
 
         email = "hamlet@zulip.com"

zerver/views/__init__.py

@@ -51,6 +51,7 @@ from zerver.lib.i18n import get_language_list, get_language_name, \
     get_language_list_for_templates
 from zerver.lib.response import json_success, json_error
 from zerver.lib.utils import statsd, generate_random_token
+from version import ZULIP_VERSION
 from zproject.backends import password_auth_enabled, dev_auth_enabled, google_auth_enabled
 
 from confirmation.models import Confirmation, RealmCreationKey, check_key_is_valid
@@ -877,6 +878,7 @@ def home(request):
     # Pass parameters to the client-side JavaScript code.
     # These end up in a global JavaScript Object named 'page_params'.
     page_params = dict(
+        zulip_version         = ZULIP_VERSION,
         share_the_love        = settings.SHARE_THE_LOVE,
         development_environment = settings.DEVELOPMENT,
         debug_mode            = settings.DEBUG,