Update .appdata descriptions

dist/unix/org.qbittorrent.qBittorrent.appdata.xml

@@ -1,64 +1,73 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- Copyright 2014 sledgehammer999 <sledgehammer999@qbittorrent.org> -->
 <component type="desktop">
-  <id>qbittorrent.desktop</id>
+  <id>org.qbittorrent.qBittorrent</id>
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>GPL-2.0 and OpenSSL</project_license>
   <name>qBittorrent</name>
-  <summary>A Bittorrent Client</summary>
+  <summary>An open-source Bittorrent client</summary>
   <description>
     <p>
-   Aiming to be a good alternative to all other bittorrent clients out
+      The qBittorrent project aims to provide an open-source software alternative to µTorrent.
-   there, qBittorrent is fast, stable and provides unicode support as well
+      Additionally, qBittorrent runs and provides the same features on all major platforms (FreeBSD, Linux, macOS, OS/2, Windows).
-   as many other features. Additionally, qBittorrent runs and provides those
+      qBittorrent is based on the Qt toolkit and libtorrent-rasterbar library.
-   same features on all major platforms (Linux, Mac OS X, Windows, FreeBSD).
+    </p>
-  </p>
-    <p>
-   It is programmed in C++ / Qt and uses libtorrent (sometimes called
-   libtorrent-rasterbar) by Arvid Norberg. GeoLite data, created by MaxMind,
-   are included in qBittorrent. Its features include:
-  </p>
     <ul>
       <li>Polished µTorrent-like User Interface</li>
-      <li>Well-integrated and extensible Search Engine</li>
+      <li>
-      <li>All Bittorrent extensions (DHT, Peer Exchange, Full encryption, Magnet/BitComet URIs, ...)</li>
+        Well-integrated and extensible Search Engine
-      <li>Remote control through a Web user interface</li>
+        <ul>
-      <li>Advanced control over trackers, peers and torrents</li>
+          <li>Simultaneous search in many Torrent search sites</li>
-      <li>UPnP / NAT-PMP port forwarding support</li>
+          <li>Category-specific search requests (e.g. Books, Music, Software)</li>
-      <li>Available in ~25 languages (Unicode support)</li>
+        </ul>
-      <li>Torrent creation tool</li>
+      </li>
-      <li>Advanced RSS support with download filters (inc. regex)</li>
+      <li>RSS feed support with advanced download filters (incl. regex)</li>
+      <li>
+        Many Bittorrent extensions supported:
+        <ul>
+          <li>Magnet links</li>
+          <li>Distributed hash table (DHT), peer exchange protocol (PEX), local peer discovery (LSD)</li>
+          <li>Private torrents</li>
+          <li>Encrypted connections</li>
+          <li>and many more...</li>
+        </ul>
+      </li>
+      <li>Remote control through Web user interface, written with AJAX</li>
+      <li>Sequential downloading (Download in order)</li>
+      <li>
+        Advanced control over torrents, trackers and peers
+        <ul>
+          <li>Torrents queueing and prioritizing</li>
+          <li>Torrent content selection and prioritizing</li>
+        </ul>
+      </li>
       <li>Bandwidth scheduler</li>
-      <li>IP Filtering (eMule and PeerGuardian compatible)</li>
+      <li>Torrent creation tool</li>
+      <li>IP Filtering (eMule &amp; PeerGuardian format compatible)</li>
       <li>IPv6 compliant</li>
-      <li>Sequential downloading (aka "Download in order")</li>
+      <li>UPnP / NAT-PMP port forwarding support</li>
+      <li>Available on all platforms: Windows, Linux, macOS, FreeBSD, OS/2</li>
+      <li>Available in ~70 languages</li>
     </ul>
   </description>
+  <launchable type="desktop-id">org.qbittorrent.qBittorrent.desktop</launchable>
   <screenshots>
     <screenshot type="default">
-      <image height="675" width="1200">
+      <image height="675" width="1200">https://alexpl.fedorapeople.org/AppData/qbittorrent/screens/qbittorrent_01.png</image>
-    https://alexpl.fedorapeople.org/AppData/qbittorrent/screens/qbittorrent_01.png
-   </image>
     </screenshot>
     <screenshot>
-      <image height="675" width="1200">
+      <image height="675" width="1200">https://alexpl.fedorapeople.org/AppData/qbittorrent/screens/qbittorrent_02.png</image>
-    https://alexpl.fedorapeople.org/AppData/qbittorrent/screens/qbittorrent_02.png
-   </image>
     </screenshot>
     <screenshot>
-      <image height="675" width="1200">
+      <image height="675" width="1200">https://alexpl.fedorapeople.org/AppData/qbittorrent/screens/qbittorrent_03.png</image>
-    https://alexpl.fedorapeople.org/AppData/qbittorrent/screens/qbittorrent_03.png
-   </image>
     </screenshot>
     <screenshot>
-      <image height="675" width="1200">
+      <image height="675" width="1200">https://alexpl.fedorapeople.org/AppData/qbittorrent/screens/qbittorrent_04.png</image>
-    https://alexpl.fedorapeople.org/AppData/qbittorrent/screens/qbittorrent_04.png
-   </image>
     </screenshot>
   </screenshots>
-  <url type="homepage">https://www.qbittorrent.org/</url>
   <update_contact>sledgehammer999@qbittorrent.org</update_contact>
   <developer_name>The qBittorrent Project</developer_name>
+  <url type="homepage">https://www.qbittorrent.org/</url>
   <url type="bugtracker">http://bugs.qbittorrent.org/</url>
   <url type="donation">https://www.qbittorrent.org/donate</url>
   <url type="help">http://forum.qbittorrent.org/</url>