migrated lib/init.php to new PDO database class, no more  in the frontend now, refs #1287

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
forgot replacer in prepared statement, thx BNoiZe

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
migrate ALL the crons to new PDO database class, refs #1287

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>
show std-subdomain (if any) to customer on the dashboard, fixes #1297

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>