emails: Add translation tags to confirm_new_email.

templates/zerver/emails/confirm_new_email.source.html

@@ -5,23 +5,27 @@
 {% endblock %}
 
 {% block content %}
-<p>Hi!
+<p>{{ _('Hi!') }}
 </p>
 
 <p>
-    We received a request to change the email address for the Zulip
-    account on {{ realm_uri }} from {{ old_email }} to {{ new_email }}.
-    If you would like to confirm this change, please click here:
-    <a class="button" href="{{ activate_url }}">Confirm email change</a>
+    {% trans %}
+    We received a request to change the email address for the Zulip account on
+    {{ realm_uri }} from {{ old_email }} to {{ new_email }}. If you would like
+    to confirm this change, please click below:
+    {% endtrans %}
+    <a class="button" href="{{ activate_url }}">{{_('Confirm email change') }}</a>
 </p>
 
 <p>
+    {% trans %}
     If you did not request this change, please contact us immediately at
     <a href="mailto:{{ support_email }}">{{ support_email }}</a>.
+    {% endtrans %}
 </p>
 
 <p>
-    Cheers,<br />
-    Team Zulip
+    {{ _("Cheers,") }}<br />
+    {{ _("Team Zulip") }}
 </p>
 {% endblock %}

templates/zerver/emails/confirm_new_email.subject

@@ -1 +1 @@
-Verify your new email address
+{{ _("Verify your new email address") }}

templates/zerver/emails/confirm_new_email.txt

@@ -1,13 +1,16 @@
-Hi!
+{{ _("Hi!") }}
 
+{% trans %}
 We received a request to change the email address for the Zulip account on
 {{ realm_uri }} from {{ old_email }} to {{ new_email }}. If you would like
-to confirm this change, please click this link:
-
+to confirm this change, please click below:
+{% endtrans %}
 {{ activate_url }}
 
+{% trans %}
 If you did not request this change, please contact us immediately at
 <{{ support_email }}>.
+{% endtrans %}
 
-Cheers,
-Team Zulip
+{{ _("Cheers,") }}
+{{ _("Team Zulip") }}

tools/lib/capitalization.py

@@ -50,6 +50,7 @@ IGNORED_PHRASES = [
     r"XML",
     r"Zephyr",
     r"Zulip",
+    r"Zulip Team",
     r"iPhone",
     r"iOS",
     r"Emoji One",