resort files

Signed-off-by: Sweil <mail@sweil.de>
fixed many small todos
added and better url-guessing "algorithm"

Signed-off-by: Sweil <mail@sweil.de>
send mail to new admin.
save url to session

Signed-off-by: Sweil <mail@sweil.de>
changelog (ohne bug-fixes)

Signed-off-by: Sweil <mail@sweil.de>