Accelerators: use <Primary> instead of <Control>
Updated FSF's address
Revert "Updated FSF's address"

This reverts commit cbee2ea933bc891e7a01fcf8caffd467d80b8960.
Updated Traditional Chinese translation(Hong Kong and Taiwan)
Updated Traditional Chinese translation(Hong Kong and Taiwan)
Never try to kill the engine if it is already dead

Currently we attempt to kill the engine immediately after we detect it
has stopped.
Fix whitespace in the UI file
Application: chain up in activate()

I think this might mean we weren't checking for remote instances. Not a
huge deal in a single-instance app.
Rename desktop file so we appear in GNOME Software
Fix oversight in appdata file
Use set_application_name and set_default_icon_name