api docs: Move references to integration-guide to integrations-overview.

CONTRIBUTING.md

@@ -31,7 +31,7 @@ needs doing:
   [desktop app](https://github.com/zulip/zulip-electron).
 * Building out our
   [Python API and bots](https://github.com/zulip/python-zulip-api) framework.
-* [Writing an integration](https://zulipchat.com/api/integration-guide).
+* [Writing an integration](https://zulipchat.com/api/integrations-overview).
 * Improving our [user](https://zulipchat.com/help/) or
   [developer](https://zulip.readthedocs.io/en/latest/) documentation.
 * [Reviewing code](https://zulip.readthedocs.io/en/latest/contributing/code-reviewing.html)

docs/overview/directory-structure.md

@@ -26,7 +26,7 @@ paths will be familiar to Django developers.
 * `zerver/views/*.py` Most [Django views](https://docs.djangoproject.com/en/1.8/topics/http/views/).
 
 * `zerver/webhooks/` Webhook views and tests for [Zulip's incoming webhook integrations](
-  https://zulipchat.com/api/integration-guide).
+  https://zulipchat.com/api/incoming-webhooks-overview).
 
 * `zerver/tornado/views.py` Tornado views.
 

docs/overview/gsoc-ideas.md

@@ -258,7 +258,7 @@ CSS](https://github.com/zulip/zulip/).
   providers, e.g. having built a prototype with
   [the Django Oauth toolkit](https://django-oauth-toolkit.readthedocs.io/en/latest/)
   would be great to demonstrate as part of an application.  The
-  [Zulip integration writing guide](https://zulipchat.com/api/integration-guide)
+  [Zulip integration writing guide](../subsystems/integration-docs.html)
   and
   [integration documentation](https://chat.zulip.org/integrations/)
   are useful materials for learning about how things currently work,

docs/subsystems/custom-apps.md

@@ -177,7 +177,7 @@ you basically have to solve these problems:
 Zulip actually supports a bunch of integrations out-of-the-box that
 perform as **World Readers**.
 
-The [three different integration models](https://zulipchat.com/api/integration-guide#types-of-integrations)
+The [three different integration models](https://zulipchat.com/api/integrations-overview#sending-content-into-zulip)
 basically differ in where they perform the main functions of a
 **World Reader**.
 

docs/tutorials/writing-views.md

@@ -4,7 +4,6 @@
 
 This page documents how views work in Zulip. You may want to read the
 [new feature tutorial](../tutorials/new-feature-tutorial.html)
-or the [integration guide](https://zulipchat.com/api/integration-guide),
 and treat this as a reference.
 
 If you have experience with Django, much of this will be familiar, but

templates/zerver/api/writing-bots.md

@@ -4,7 +4,7 @@ Zulip's API supports a few different ways of integrating with a
 third-party service.
 
 * **Incoming webhook integrations**, for when you just want notifications from
-  a tool to be sent into Zulip. See the [integrations guide](integration-guide).
+  a tool to be sent into Zulip. See the [integrations guide](integrations-overview).
 * **Interactive bots**, for when you want the tool to react to
   messages in Zulip.
 

templates/zerver/hello.html

@@ -437,7 +437,7 @@
             </a>
         </div>
         <div class="content">
-            <p>Or build your own integrations with <a href="/api/integration-guide">Zulip&rsquo;s powerful API</a>.</p>
+            <p>Or build your own integrations with <a href="/api/integrations-overview">Zulip&rsquo;s powerful API</a>.</p>
         </div>
     </div>
 

templates/zerver/help/getting-your-organization-started-with-zulip.md

@@ -99,7 +99,7 @@ expert teaching other users how to use Zulip.
 * [Add custom profile fields](/help/add-custom-profile-fields)
 - [Automatically linkify](/help/add-a-custom-linkification-filter)
   issue numbers.
-- [Write custom integrations](https://zulipchat.com/api/integration-guide)
+- [Write custom integrations](/api/integrations-overview)
   for your team’s workflow.
 - If your users primarily speak a language other than English,
   [set a default language for your organization](/help/change-the-default-language-for-your-organization).

templates/zerver/help/zulip-glossary.md

@@ -93,7 +93,7 @@ An **integration** is a tool that combines Zulip with another service or
 application. Zulip offers a variety of integrations for version control, issue
 tracker, CI system, monitoring tools, and other tools used for
 development.  See Zulip's
-[integration documentation](/api/integration-guide) for details on the
+[integration documentation](/api/integrations-overview) for details on the
 various types of Zulip integrations.
 
 ### mention

templates/zerver/integrations/index.html

@@ -103,7 +103,7 @@
                             </a>
                             {% endif %}
                         {% endfor %}
-                        <a href="https://zulipchat.com/api/integration-guide">
+                        <a href="https://zulipchat.com/api/integrations-overview">
                             <div class="integration-lozenge integration-create-your-own">
                                 <div class="integration-logo">
                                     <i class="fa fa-plus" aria-hidden="true"></i>