Merge branch 'flameshot-org-master' into bugfix/memory-leak

# Conflicts:
#	.github/workflows/Linux-pack.yml
#	CMakeLists.txt
#	data/graphics.qrc
#	src/config/configwindow.cpp
#	src/tools/imgur/imguruploader.cpp

docs/appdata/org.flameshot.Flameshot.metainfo.xml

@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component type="desktop-application">
-  <id>org.flameshot.flameshot</id>
+  <id>org.flameshot.Flameshot</id>
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>GPL-3.0-or-later</project_license>
   <name>Flameshot</name>
   <releases> 
+    <release version="0.8.4" date="2020-10-10"/>
     <release version="0.8.3" date="2020-09-28"/>
     <release version="0.8.1" date="2020-09-23"/>
     <release version="0.8.0" date="2020-09-19"/>
@@ -28,6 +29,6 @@
   </screenshots>
   <url type="homepage">https://github.com/flameshot-org/flameshot</url>
   <update_contact>https://github.com/flameshot-org/flameshot/issues/new</update_contact>
-  <launchable type="desktop-id">flameshot.desktop</launchable>
+  <launchable type="desktop-id">org.flameshot.Flameshot.desktop</launchable>
 
 </component>

docs/desktopEntry/package/org.flameshot.Flameshot.desktop

@@ -29,7 +29,7 @@ Keywords[ja]=flameshot;screenshot;capture;shutter;スクリーンショット;
 Keywords[es]=flameshot;screenshot;capture;shutter;captura;
 Keywords[de]=flameshot;screenshot;Bildschirmfoto;Aufnahme;
 Exec=flameshot
-Icon=flameshot
+Icon=org.flameshot.Flameshot
 Terminal=false
 Type=Application
 Categories=Graphics;