[gnome-software] trivial: Add appdata updates from gnome-3-30 branch

[Kalev Lember <klember src gnome org>]

commit de52e8db94d37be189ef0da34225bac7b4283fbd
Author: Kalev Lember <klember redhat com>
Date:   Tue Oct 9 14:02:21 2018 +0200

    trivial: Add appdata updates from gnome-3-30 branch

 data/appdata/org.gnome.Software.appdata.xml.in | 72 ++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
---
diff --git a/data/appdata/org.gnome.Software.appdata.xml.in b/data/appdata/org.gnome.Software.appdata.xml.in
index 1f3e362e..df8fd3c0 100644
--- a/data/appdata/org.gnome.Software.appdata.xml.in
+++ b/data/appdata/org.gnome.Software.appdata.xml.in
@@ -46,6 +46,78 @@
    Validate with `appstream-util validate *.appdata.xml`
   -->
   <releases>
+    <release date="2018-10-05" version="3.30.2">
+      <description>
+        <p>
+          This is a stable release with the following changes:
+        </p>
+        <ul>
+          <li>Localize the polkit policy file</li>
+          <li>Display ongoing app-installation at top of the list</li>
+          <li>Update apps in display order</li>
+          <li>Fix autoupdates triggering in a feedback loop</li>
+          <li>Tweak the prefs dialog layout</li>
+          <li>Various fixes to the flatpak plugin, making its state keeping more robust</li>
+          <li>Fix flatpak errors to show up instead of a generic "Aborted" error</li>
+          <li>Avoid triggering reboots for online updatable apps (flatpak)</li>
+          <li>Make rpm-ostree updates work again</li>
+          <li>Fix an issue that caused duplicate lines in 'OS Updates' on rpm-ostree based systems</li>
+          <li>Compiler warning fixes</li>
+        </ul>
+        <p>This release also updates translations.</p>
+      </description>
+    </release>
+    <release date="2018-09-25" version="3.30.1">
+      <description>
+        <p>
+          This is a stable release with the following changes:
+        </p>
+        <ul>
+          <li>Fix an issue that caused duplicate lines in 'OS Updates'</li>
+          <li>Filter the application restart notification to actual desktop apps</li>
+          <li>Fix an issue that caused automatic updates to fail during download phase</li>
+          <li>Avoid showing duplicates in the featured apps when an app is available as both flatpak and a 
package</li>
+          <li>Fix an issue that caused gnome-software to use 100% of CPU when doing automatic updates</li>
+          <li>Lower IO priority for gnome-software so that other apps stay responsive during flatpak 
installs</li>
+          <li>Various fixes and wording changes to automatic updates notifications</li>
+          <li>Only show "Examine Disk" button when baobab is available</li>
+          <li>Leak and correctness fixes in the snap plugin</li>
+        </ul>
+        <p>This release also updates translations.</p>
+      </description>
+    </release>
+    <release date="2018-09-04" version="3.30.0">
+      <description>
+        <p>
+          This is the first stable release for GNOME 3.30.
+        </p>
+      </description>
+    </release>
+    <release date="2018-08-28" version="3.29.92">
+      <description>
+        <p>
+          This is an unstable release in the 3.27 development series,
+          with the following improvements:
+        </p>
+        <ul>
+          <li>Do not go 'back' to a previous application details panel</li>
+          <li>Don't crash if when getting the fwupd locked status</li>
+          <li>Download updates automatically when required</li>
+          <li>Fix dark theme support</li>
+          <li>Hide screenshot and support widgets when no screenshots</li>
+          <li>Ignore non-interactive generic errors</li>
+          <li>Implement distro upgrade downloading when using rpm-ostree</li>
+          <li>Only update the update check timestamp when it succeeds</li>
+          <li>Open the WiFi panel when clicking the Network Settings button</li>
+          <li>Rotate featured apps on the overview page</li>
+          <li>Simplify the updates panel</li>
+          <li>Use FlatpakTransaction to install, remove and update</li>
+          <li>Use new display name for the Snap publisher</li>
+          <li>Use the full name for the ESRB ratings descripion</li>
+        </ul>
+        <p>This release also updates translations.</p>
+      </description>
+    </release>
     <release date="2018-03-05" version="3.29.1">
       <description>
         <p>