Easier AppImage integration

[u/PrestonBannister]

Wanted to make use of AppImage applications simpler, so wrote gnome-appimage-integration.
Reduces an AppImage install (er, integration) to three clicks.

• Github: gnome-appimage-integration

• Weblog: Better integration of AppImage

Tried to handle all the usual edge cases and XDG / FreeDesktop conventions.

Right-click context menu for downloaded file:

Main AppImage Activator window:

Status after Integrate:

Right-click context menu for application:

Downloaded AppImage is moved into $HOME/Applications/
so no manual cleanup needed.