Avoid double slashes in notification email body

Refactor some of the URI generation code to avoid double slashes in
absolute URIs.

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
Show user name in title on the account details page

Suggested-by: Florian Pritz <bluewind@xinu.at>
Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
Redirect to requests page after accepting deletions

Fixes FS#43100.

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>
Fixes incorrect SQLs on generating dummy data.

The number of columns in the SQLs doesn't match the number of rows,
so an error like below occurs:

ERROR 1136 (21S01) at line 50929: Column count doesn't match value count
at row 1

Signed-off-by: Shinya Yamaoka <contact@mail.libmacro.com>
Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>