(some packages) metadata.xml style improvements

Signed-off-by: Alexander Kurakin <kuraga333@mail.ru>

app-crypt/openpgp-keys-calculate-release/metadata.xml

@@ -6,4 +6,13 @@
         <name>Mir Calculate</name>
         <description>Calculate Overlay</description>
     </maintainer>
+    <longdescription lang="en">
+        OpenPGP keys used for Calculate binary packages.
+    </longdescription>
+    <longdescription lang="ru">
+        Ключи OpenPGP, используемые для бинарных пакетов Calculate.
+    </longdescription>
+    <upstream>
+        <bugs-to>mailto:support@calculate.ru</bugs-to>
+    </upstream>
 </pkgmetadata>

app-crypt/shim-signed/metadata.xml

@@ -6,4 +6,7 @@
         <name>Mir Calculate</name>
         <description>Calculate Overlay</description>
     </maintainer>
+    <longdescription lang="en">
+        UEFI Shim bootloader for SecureBoot signed by Microsoft.
+    </longdescription>
 </pkgmetadata>

net-p2p/opentracker/metadata.xml

@@ -21,8 +21,10 @@
         <flag name="restrict-stats">Restrict statistics to the tracker owner</flag>
         <flag name="whitelist">Make use of a torrents white-list</flag>
     </use>
-    <longdescription lang="en">Opentracker is a open and free bittorrent tracker.
-    It aims for minimal resource usage and is capable to serve multiple thousands of requests.</longdescription>
+    <longdescription lang="en">
+        Opentracker is a open and free bittorrent tracker. It aims for minimal resource usage and is capable to serve
+        multiple thousands of requests.
+    </longdescription>
     <upstream>
         <bugs-to>mailto:erdgeist@erdgeist.org</bugs-to>
         <doc lang="en">https://erdgeist.org/arts/software/opentracker/</doc>

net-p2p/torrserver-bin/metadata.xml

@@ -10,5 +10,7 @@
         <remote-id type="github">YouROK/TorrServer</remote-id>
         <bugs-to>https://github.com/YouROK/TorrServer/issues</bugs-to>
     </upstream>
-    <longdescription lang="en">TorrServer, stream torrent to http</longdescription>
+    <longdescription lang="en">
+        TorrServer, stream torrent to http.
+    </longdescription>
 </pkgmetadata>

www-apps/jackett-bin/metadata.xml

@@ -11,9 +11,11 @@
         <bugs-to>https://github.com/Jackett/Jackett/issues</bugs-to>
         <changelog>https://github.com/Jackett/Jackett/releases</changelog>
     </upstream>
-    <longdescription lang="en">Jackett works as a proxy server: it translates queries from apps (Sonarr, Radarr,
-    SickRage, CouchPotato, Mylar3, Lidarr, DuckieTV, qBittorrent, Nefarious etc.) into tracker-site-specific http
-    queries, parses the html or json response, and then sends results back to the requesting software. This allows
-    for getting recent uploads (like RSS) and performing searches. Jackett is a single repository of maintained indexer
-    scraping &amp; translation logic - removing the burden from other apps.</longdescription>
+    <longdescription lang="en">
+        Jackett works as a proxy server: it translates queries from apps (Sonarr, Radarr, SickRage, CouchPotato,
+        Mylar3, Lidarr, DuckieTV, qBittorrent, Nefarious etc.) into tracker-site-specific http queries, parses the html
+        or json response, and then sends results back to the requesting software. This allows for getting recent
+        uploads (like RSS) and performing searches. Jackett is a single repository of maintained indexer scraping &amp;
+        translation logic - removing the burden from other apps.
+    </longdescription>
 </pkgmetadata>

x11-themes/elementary-icon-theme/metadata.xml

@@ -12,6 +12,7 @@
         <bugs-to>https://github.com/elementary/icons/issues</bugs-to>
         <changelog>https://github.com/elementary/icons/releases</changelog>
     </upstream>
-    <longdescription lang="en">An original set of vector icons designed specifically for elementary OS and its desktop
-    environment: Pantheon.</longdescription>
+    <longdescription lang="en">
+        An original set of vector icons designed specifically for elementary OS and its desktop environment: Pantheon.
+    </longdescription>
 </pkgmetadata>