Run multiple items at once commands at once

[christianmagill]

I'd love to be able to run multiple commands for some items. For instance I want to move a window to a secondary display and maximize it at the same time.

Perhaps a simple way to do this would be if items in a group don't have a key associated with them, they are run when the group is activated.

[mikker]

We're discussing this in #142. It'll likely happen