Send back to the referer?

Signed-off-by: emanuele <emanuele45@gmail.com>
Dirreferent redirection after end admin section depending what button is used

Signed-off-by: emanuele <emanuele45@gmail.com>
Typo - thanks Norv

Signed-off-by: emanuele <emanuele45@gmail.com>
Merge pull request #681 from emanuele45/admin_session

Send back to the referer?