Add the users_groups_promotions table.
Optimise ConvoViewPage.
Shortened some things.
Convo CSS fixes.
Make sure the user cache is flushed properly after the post stats change.
You will need to run the patcher / updater for this commit.
Moved more routes into the router generator.
Renamed a few of the routes.
Refactored the router generator.
Fixed PreRoute.
Began work on letting plugins plug into the template transpiler.
