archlinux: Fix sha1 again, it should be the sha from the zip.

not from tgz
Fix handling of Esc key.

in Qt5 qApp->installEventFilter will get duplicatedevents, one
for the QWindow and one for the correct QQuick item.
Enter key dismisses context popup now
pressing T will toggle between today and later queues
Add key to open configuration dialog.
Add taskCount property.
About: Display current task count.
Rename cycleSelection() to cycleTaskSelection().

We will have cycleMenuSelection() soon.
Task: Add method to toggle a tag.
TaskContextMenuModel: Add method to toggle tag
Update .gitignore
Simplify and mark it const
Don't load plugins more than once.

It's possible to have copies of the plugin in different paths.
Fix context menu being immediately dismissed after appearing.

We dismissed the context menu when enter was released, but
we were showing it when enter was pressed previously.

So do everything on key press.
Allow key navigation on the task context menu.

You can now use tab or up/down to focus menu entires, and use
space to toggle tags.
Don't process C, T and other keys when editing tasks
A few key fixes
Consume tab key
Fix index mismatch in task context menu.