[release-notes/gnome-3-20] add Builder release notes

[Allan Day <allanday src gnome org>]

commit 8f6943c4b06ab4d4c88daba33d051f17424ca1ae
Author: Christian Hergert <chergert redhat com>
Date:   Fri Mar 11 14:23:23 2016 -0800

    add Builder release notes

 help/C/developers.page |   34 ++++++++++++++++++++++++++++++++++
 1 files changed, 34 insertions(+), 0 deletions(-)
---
diff --git a/help/C/developers.page b/help/C/developers.page
index bac472e..5120d6a 100644
--- a/help/C/developers.page
+++ b/help/C/developers.page
@@ -28,6 +28,40 @@
   <section id="builder">
     <title>Builder</title>
     <media type="image" src="figures/placeholder.png"/>
+    <p>Builder has gained many new features in the latest development cycle!
+The interface has received a face-lift introducing perspectives.
+Developers can use perspectives to add new workflows to Builder through it's
+new plugin interface.</p>
+    <p>Preferences have been overhauled to help you to find the tweaks you
+need faster and with less disruption. Additionally, the new Todo plugin helps
+you locate code you forgot to fix.</p>
+    <p>Using the <cmd>ide</cmd> command line program, developers can quickly
+create new projects that use best practices within the GNOME community.</p>
+    <p>Developers wanting to experiment with new Xdg-App technology
+can now use Builder to develop their application inside of an Xdg-App
+runtime. This is a technology preview of what's to come in future
+Builder releases!</p>
+    <p>Under the hood, Builder gained support for multi-process plugins
+to reduce the affects of miss-behaving plugins.</p>
+    <p>Builder's robust VIM emulation has continued to improve, allowing
+users that prefer modal-editing to feel at home.</p>
+    <p>For languages that support semantic analysis, holding control
+while clicking on variables, types, and functions will jump you to their
+source location.</p>
+    <p>Authors of translated software will be happy to find that common
+translation mistakes are now underlined in yellow so you catch the issue
+before your translators find it.</p>
+    <p>Developers looking to extend Builder can learn more by reading
+a series of recent articles about
+<link href="https://blogs.gnome.org/chergert/2016/02/27/what-can-you-extend-in-builder/";>what you can extend 
in Builder</link>,
+<link href="https://blogs.gnome.org/chergert/2016/02/16/build-configurations-and-xdg-app/";>using 
Xdg-App</link>,
+<link href="https://blogs.gnome.org/chergert/2016/02/29/how-to-setup-distcc-and-ccache-in-builder/";>ccache 
integration</link>,
+and
+<link href="https://blogs.gnome.org/chergert/2016/01/21/builder-plugins-part-i/";>step</link> by
+<link href="https://blogs.gnome.org/chergert/2016/01/22/builder-plugins-part-ii/";>step</link>
+tutorials using Python.</p>
+    <p>Many other fit and finish bugs where fixed in this release, so
+give it a try and see how you like it!</p>
   </section>
 
   <section id="xdg-app">