Reduce update rate on activity window to once per second.
Reduce update rate on activity window to once per second.

This is good for two reasons:
1. Performance (updating the outline view often is slow)
2. Usability (a continuously changing list is difficult to interact with)

btrask/Sequential,johan/Sequential,johan/Sequential,btrask/Sequential,btrask/Sequential,btrask/Sequential,johan/Sequential