Twiddle urgency settings

Because it's easier than Getting Things Done.

dotfiles/task/main.taskrc

 context.lounge=+lounge or +games or +listen or +fest or +beer or +surf or +watch or +read or +ftgg or +event
 context.home=+home or +family or +money or +newhome or +vacation or +ftgg or +event
 context.alka=+alka or +event
+
+urgency.inherit=on
+urgency.blocking.coefficient=3