added a new FindById<TEntity>(id, currentUser) method to DataContext
temporary checkin, things are broken.
fixed the DeleteById method and also implemented the two new custom exceptions in the most important places.
fixed some issues with not committing transactions at the right time.
moved some more logic out of legacy repositories into business logic. Also swapped in some new custom exceptions.
now retrieve registered user info so it can show up on the gaming group index page
added rollbar logging back into the app.
Update README.md
Merge remote-tracking branch 'origin/master' into UIStyling