clean up stray hidden input tags by passing the data directly into the js where possible and placing them under an existing form tag elsewhere

string concatenation with translations is bad, especially if you leave on part of it untranslated :P

This reverts commit 3af5e24a.

Conflicts:

	app/controllers/aspects_controller.rb

use explicit check in User#disconnect_everyone, the previous check failed in rarly weired situations, I can't tell why

let the user upload an image without touching the textarea, improved check in Photo#process to not yield no method on nil error in some cases