To rotate units:
1) Place the unit(s) where you want it to be.
2) Tap the spacebar to allow selection of units in the editor.
3) Select the unit(s).
4) Ctrl + Click in a certain direction. All units selected will face that direction. OR
4) If you want the direction to be exact, double click the unit(s) to goto an option box where you can set the unit(s)' facing angle.
I do know this - xenforo dropped the ball by not keeping the vbulletin reputation comments as a feature. The loss of the Reputation comments data when we switched to Xenforo really was the death knell for the site when it came to all the users that left. I know I missed it so much and I got way less interested in the site when that feature was gone and I run the site.
I'm on a page about incorrect corrections, and spent the better part of like two hours trying to get someone to understand that -5^2 = -25, not 25, and then that post had comments get reposted because that group is self sustaining, and that person was in turn trying to explain what I just explained to them. And I'm taking that as a victory