No
Idk
You won't.
You will only receive a forum PM if you are accepted into the Build Team.
Doges for the most part
No, you will need to check back at
http://www.brawl.com/report/view/ to see the resolution of the report.
Moderators handle appeals, reports (in-game and out), bug tracking, and communicating with players outside the game. It's not exactly what Admins and Developers do, but it's a ton of work.
That's the plan
If whoever evaluated the thread didn't leave a final post before denying it, the posts above it probably are the reasons why.