[gnome-calendar] Bump 3.27.90 release

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 9984a3a1e7aa9ae2ea1494cdf5ce9c226c078d8b
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon Feb 12 00:07:51 2018 +0000

    Bump 3.27.90 release

 NEWS                                           |  7 +++++++
 data/appdata/org.gnome.Calendar.appdata.xml.in | 16 ++++++++++++++++
 meson.build                                    |  2 +-
 3 files changed, 24 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index a053cd14..58ba4cb0 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+Major changes in 3.27.90:
+* Big code refactorings that lead to more stability and ease of maintainership
+* Follow-up improvements after rewritting the Month view
+* Flatpak Nightly now builds with debug and tracing enabled
+* Huge memory leaks were fixed
+* Updates translations
+
 Major changes in 3.27.2:
 * Events now are rendered differently if they are all-day or timed
 * Rewrite of the Month view
diff --git a/data/appdata/org.gnome.Calendar.appdata.xml.in b/data/appdata/org.gnome.Calendar.appdata.xml.in
index 60fcb95e..08c817b6 100644
--- a/data/appdata/org.gnome.Calendar.appdata.xml.in
+++ b/data/appdata/org.gnome.Calendar.appdata.xml.in
@@ -49,6 +49,22 @@
   <project_group>GNOME</project_group>
 
   <releases>
+    <release date="2018-02-12" version="3.27.90">
+      <description>
+        <p>This is the alpha version of the next big release of GNOME Calendar, and it brings the following 
new features and improvements:</p>
+        <ul>
+          <li>Big code refactorings that lead to more stability and ease of maintainership.</li>
+          <li>Follow-up improvements after rewritting the Month view.</li>
+          <li>The Flatpak Nightly builds of GNOME Calendar now have debugging and tracing enabled by 
default. This
+            will allow testers to report bugs with more precision.
+          </li>
+          <li>Huge memory leaks were also fixed.</li>
+        </ul>
+        <p>This release also updates many translations.</p>
+        <p>Thanks to all the contributors that worked on GNOME Calendar!</p>
+      </description>
+    </release>
+
     <release date="2017-11-15" version="3.27.2">
       <description>
         <p>This release brings the following new features and improvements:</p>
diff --git a/meson.build b/meson.build
index fb1ea683..8b8b36a0 100644
--- a/meson.build
+++ b/meson.build
@@ -1,7 +1,7 @@
 project(
   'gnome-calendar',
                'c',
-           version: '3.27.2',
+           version: '3.27.90',
            license: 'GPL3+',
      meson_version: '>= 0.42.0'
 )