Document Zulip SITE option in most integrations.

(imported from commit d7266df1fa23a5fef5d5e7cce8d108da47f36da5)

templates/zerver/api.html

@@ -148,6 +148,5 @@ to pull out the resulting HTML :)
 <div class="codehilite"><pre><span class="k">[api]</span>
 <span class="na">key</span><span class="o">=</span><span class="s">BOT_API_KEY</span>
 <span class="na">email</span><span class="o">=</span><span class="s">BOT_EMAIL_ADDRESS</span>
-{% if api_site_required %}<span class="na">site</span><span class="o">=</span><span class="s">{{ external_api_uri }}</span>{% endif %}
+{% if api_site_required %}<span class="na">site</span><span class="o">=</span><span class="s">{{ external_api_uri }}</span>{% endif %}</pre></div>
-</pre></div>
 {% endblock %}

templates/zerver/integrations.html

@@ -255,7 +255,8 @@
 <span class="n">BASECAMP_PASSWORD</span> <span class="o">=</span> <span class="s">"p455w0rd"</span>
 
 <span class="n">ZULIP_USER</span> <span class="o">=</span> <span class="s">"basecamp-bot@example.com"</span>
-<span class="n">ZULIP_API_KEY</span> <span class="o">=</span> <span class="s">"0123456789abcdef0123456789abcdef"</span></pre>
+<span class="n">ZULIP_API_KEY</span> <span class="o">=</span> <span class="s">"0123456789abcdef0123456789abcdef"</span>
+{% if api_site_required %}<span class="n">ZULIP_SITE</span> <span class="o">=</span> <span class="s">"{{ external_api_uri }}"</span>{% endif %}</pre>
       </div>
 
       <p>Before your first run of the script, you may optionally choose to
@@ -341,7 +342,8 @@
     # ~/.zuliprc if you omit --user and --api-key</span>
     <span class="n">run_locally</span> <span class="s2">"echo ':beers: I just deployed to </span><span class="si">#{</span><span class="n">stage</span><span class="si">}</span><span class="s2">! :beers:' | zulip-send \
     --user capistrano-bot@example.com --api-key a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5 \
-    --stream commits --subject deployments || true"</span>
+{% if api_site_required %}    --site={{ external_api_uri }} \
+{% endif %}    --stream commits --subject deployments || true"</span>
   <span class="k">end</span>
 <span class="k">end</span>
 </pre></div>
@@ -384,7 +386,8 @@
 <span class="n">CODEBASE_API_KEY</span> <span class="o">=</span> <span class="s">0123456789abcdef0123456789abcdef</span>
 
 <span class="n">ZULIP_USER</span> <span class="o">=</span> <span class="s">"codebase-bot@example.com"</span>
-<span class="n">ZULIP_API_KEY</span> <span class="o">=</span> <span class="s">"0123456789abcdef0123456789abcdef"</span></pre>
+<span class="n">ZULIP_API_KEY</span> <span class="o">=</span> <span class="s">"0123456789abcdef0123456789abcdef"</span>
+{% if api_site_required %}<span class="n">ZULIP_SITE</span> <span class="o">=</span> <span class="s">"{{ external_api_uri }}"</span>{% endif %}</pre>
       </div>
 
       <p>Before your first run of the script, you may optionally choose to
@@ -719,7 +722,8 @@
 
 
 <div class="codehilite"><pre><span class="n">ZULIP_USER</span> <span class="o">=</span> <span class="s">"git-bot@example.com"</span>
-<span class="n">ZULIP_API_KEY</span> <span class="o">=</span> <span class="s">"0123456789abcdef0123456789abcdef"</span></pre></div>
+<span class="n">ZULIP_API_KEY</span> <span class="o">=</span> <span class="s">"0123456789abcdef0123456789abcdef"</span>
+{% if api_site_required %}<span class="n">ZULIP_SITE</span> <span class="o">=</span> <span class="s">"{{ external_api_uri }}"</span>{% endif %}</pre></div>
 
       <p>You can also specify which pushes will result in
       notifications and to what stream the notifications will be sent
@@ -964,7 +968,7 @@ following, to the stream <code>commits</code> with a subject that matches the re
 <div class="codehilite"><pre>[api]
 email=NAGIOS_BOT_EMAIL_ADDRESS
 key=NAGIOS_BOT_API_KEY
-</pre></div>
+{% if api_site_required %}site={{ external_api_uri }}{% endif %}</pre></div>
 
       <p>Copy <code>integrations/nagios/zulip_nagios.cfg</code>
       to <code>/etc/nagios3/conf.d</code> on your Nagios server.</p>
@@ -1372,7 +1376,8 @@ ignore_branches = "noisy,even-more-noisy"</pre>
 <div class="codehilite"><pre><span class="n">ZULIP_USER</span> <span class="o">=</span> <span class="s">"trac-notifications-bot@example.com"</span>
 <span class="n">ZULIP_API_KEY</span> <span class="o">=</span> <span class="s">"0123456789abcdef0123456789abcdef"</span>
 <span class="n">STREAM_FOR_NOTIFICATIONS</span> <span class="o">=</span> <span class="s">"trac"</span>
-<span class="n">TRAC_BASE_TICKET_URL</span> <span class="o">=</span> <span class="s">"https://trac.example.com/ticket"</span></pre></div>
+<span class="n">TRAC_BASE_TICKET_URL</span> <span class="o">=</span> <span class="s">"https://trac.example.com/ticket"</span>
+{% if api_site_required %}<span class="n">ZULIP_SITE</span> <span class="o">=</span> <span class="s">"{{ external_api_uri }}"</span>{% endif %}</pre></div>
 
       <p>Copy <code>integrations/trac/zulip_trac.py</code>
       and <code>integrations/trac/zulip_trac_config.py</code> into